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Finding the Fourth Proportional to 508,065.44, 762,149.18 and 134,088.44

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Solution

The fourth proportional to 508,065.44, 762,149.18 and 134,088.44 is: 201,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,065.44 : 762,149.18 = 134,088.44 : x
  2. Step 2: Convert to fraction form
    508,065.44/762,149.18 = 134,088.44/x
  3. Step 3: Cross multiply
    508,065.44x = 762,149.18 × 134,088.44
  4. Step 4: Simplify right side
    508,065.44x = 102,195,394,593.48
  5. Step 5: Solve for x
    x = 102,195,394,593.48/508,065.44
  6. Step 6: Final answer
    x = 201,146.13

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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.