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Finding the Fourth Proportional to 409,232.43, 613,884.65 and 124,987.14

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Solution

The fourth proportional to 409,232.43, 613,884.65 and 124,987.14 is: 187,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,232.43 : 613,884.65 = 124,987.14 : x
  2. Step 2: Convert to fraction form
    409,232.43/613,884.65 = 124,987.14/x
  3. Step 3: Cross multiply
    409,232.43x = 613,884.65 × 124,987.14
  4. Step 4: Simplify right side
    409,232.43x = 76,727,686,068.47
  5. Step 5: Solve for x
    x = 76,727,686,068.47/409,232.43
  6. Step 6: Final answer
    x = 187,491.71

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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.