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Finding the Fourth Proportional to 145,996.38, 218,994.76 and 35,188.38

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Solution

The fourth proportional to 145,996.38, 218,994.76 and 35,188.38 is: 52,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,996.38 : 218,994.76 = 35,188.38 : x
  2. Step 2: Convert to fraction form
    145,996.38/218,994.76 = 35,188.38/x
  3. Step 3: Cross multiply
    145,996.38x = 218,994.76 × 35,188.38
  4. Step 4: Simplify right side
    145,996.38x = 7,706,070,832.89
  5. Step 5: Solve for x
    x = 7,706,070,832.89/145,996.38
  6. Step 6: Final answer
    x = 52,782.62

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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.