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Finding the Fourth Proportional to 117,053.52, 161,532.65 and 63,337.35

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Solution

The fourth proportional to 117,053.52, 161,532.65 and 63,337.35 is: 87,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.52 : 161,532.65 = 63,337.35 : x
  2. Step 2: Convert to fraction form
    117,053.52/161,532.65 = 63,337.35/x
  3. Step 3: Cross multiply
    117,053.52x = 161,532.65 × 63,337.35
  4. Step 4: Simplify right side
    117,053.52x = 10,231,049,672.79
  5. Step 5: Solve for x
    x = 10,231,049,672.79/117,053.52
  6. Step 6: Final answer
    x = 87,404.89

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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.