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Finding the Fourth Proportional to 117,506.97, 162,160.79 and 63,792.43

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Solution

The fourth proportional to 117,506.97, 162,160.79 and 63,792.43 is: 88,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506.97 : 162,160.79 = 63,792.43 : x
  2. Step 2: Convert to fraction form
    117,506.97/162,160.79 = 63,792.43/x
  3. Step 3: Cross multiply
    117,506.97x = 162,160.79 × 63,792.43
  4. Step 4: Simplify right side
    117,506.97x = 10,344,630,120.46
  5. Step 5: Solve for x
    x = 10,344,630,120.46/117,506.97
  6. Step 6: Final answer
    x = 88,034.18

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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.