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Finding the Fourth Proportional to 145,995.84, 218,993.76 and 35,187.84

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Solution

The fourth proportional to 145,995.84, 218,993.76 and 35,187.84 is: 52,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,995.84 : 218,993.76 = 35,187.84 : x
  2. Step 2: Convert to fraction form
    145,995.84/218,993.76 = 35,187.84/x
  3. Step 3: Cross multiply
    145,995.84x = 218,993.76 × 35,187.84
  4. Step 4: Simplify right side
    145,995.84x = 7,705,917,387.88
  5. Step 5: Solve for x
    x = 7,705,917,387.88/145,995.84
  6. Step 6: Final answer
    x = 52,781.76

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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.