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Finding the Fourth Proportional to 117,612.41, 162,306.86 and 63,898.47

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Solution

The fourth proportional to 117,612.41, 162,306.86 and 63,898.47 is: 88,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.41 : 162,306.86 = 63,898.47 : x
  2. Step 2: Convert to fraction form
    117,612.41/162,306.86 = 63,898.47/x
  3. Step 3: Cross multiply
    117,612.41x = 162,306.86 × 63,898.47
  4. Step 4: Simplify right side
    117,612.41x = 10,371,159,705.01
  5. Step 5: Solve for x
    x = 10,371,159,705.01/117,612.41
  6. Step 6: Final answer
    x = 88,180.83

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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.