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Finding the Fourth Proportional to 117,508.16, 162,160.12 and 63,792

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Solution

The fourth proportional to 117,508.16, 162,160.12 and 63,792 is: 88,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,508.16 : 162,160.12 = 63,792 : x
  2. Step 2: Convert to fraction form
    117,508.16/162,160.12 = 63,792/x
  3. Step 3: Cross multiply
    117,508.16x = 162,160.12 × 63,792
  4. Step 4: Simplify right side
    117,508.16x = 10,344,518,375.04
  5. Step 5: Solve for x
    x = 10,344,518,375.04/117,508.16
  6. Step 6: Final answer
    x = 88,032.34

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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.