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Finding the Fourth Proportional to 119,753.43, 165,252.74 and 68,754.39

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Solution

The fourth proportional to 119,753.43, 165,252.74 and 68,754.39 is: 94,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.43 : 165,252.74 = 68,754.39 : x
  2. Step 2: Convert to fraction form
    119,753.43/165,252.74 = 68,754.39/x
  3. Step 3: Cross multiply
    119,753.43x = 165,252.74 × 68,754.39
  4. Step 4: Simplify right side
    119,753.43x = 11,361,850,990.76
  5. Step 5: Solve for x
    x = 11,361,850,990.76/119,753.43
  6. Step 6: Final answer
    x = 94,877.04

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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.