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Finding the Fourth Proportional to 114,306.66, 157,743.17 and 63,322.69

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Solution

The fourth proportional to 114,306.66, 157,743.17 and 63,322.69 is: 87,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,306.66 : 157,743.17 = 63,322.69 : x
  2. Step 2: Convert to fraction form
    114,306.66/157,743.17 = 63,322.69/x
  3. Step 3: Cross multiply
    114,306.66x = 157,743.17 × 63,322.69
  4. Step 4: Simplify right side
    114,306.66x = 9,988,721,142.56
  5. Step 5: Solve for x
    x = 9,988,721,142.56/114,306.66
  6. Step 6: Final answer
    x = 87,385.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.