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Finding the Fourth Proportional to 117,630.92, 162,330.35 and 63,916.12

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Solution

The fourth proportional to 117,630.92, 162,330.35 and 63,916.12 is: 88,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.92 : 162,330.35 = 63,916.12 : x
  2. Step 2: Convert to fraction form
    117,630.92/162,330.35 = 63,916.12/x
  3. Step 3: Cross multiply
    117,630.92x = 162,330.35 × 63,916.12
  4. Step 4: Simplify right side
    117,630.92x = 10,375,526,013.57
  5. Step 5: Solve for x
    x = 10,375,526,013.57/117,630.92
  6. Step 6: Final answer
    x = 88,204.07

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1.5x scale

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.