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Finding the Fourth Proportional to 145,994.76, 218,992.14 and 35,186.76

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Solution

The fourth proportional to 145,994.76, 218,992.14 and 35,186.76 is: 52,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,994.76 : 218,992.14 = 35,186.76 : x
  2. Step 2: Convert to fraction form
    145,994.76/218,992.14 = 35,186.76/x
  3. Step 3: Cross multiply
    145,994.76x = 218,992.14 × 35,186.76
  4. Step 4: Simplify right side
    145,994.76x = 7,705,623,872.07
  5. Step 5: Solve for x
    x = 7,705,623,872.07/145,994.76
  6. Step 6: Final answer
    x = 52,780.14

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.