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Finding the Fourth Proportional to 93,610.60, 129,143.88 and 68,060.92

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Solution

The fourth proportional to 93,610.60, 129,143.88 and 68,060.92 is: 93,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,610.60 : 129,143.88 = 68,060.92 : x
  2. Step 2: Convert to fraction form
    93,610.60/129,143.88 = 68,060.92/x
  3. Step 3: Cross multiply
    93,610.60x = 129,143.88 × 68,060.92
  4. Step 4: Simplify right side
    93,610.60x = 8,789,651,285.17
  5. Step 5: Solve for x
    x = 8,789,651,285.17/93,610.60
  6. Step 6: Final answer
    x = 93,895.90

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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.