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Finding the Fourth Proportional to 115,553.60, 159,454.56 and 67,800.32

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Solution

The fourth proportional to 115,553.60, 159,454.56 and 67,800.32 is: 93,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.60 : 159,454.56 = 67,800.32 : x
  2. Step 2: Convert to fraction form
    115,553.60/159,454.56 = 67,800.32/x
  3. Step 3: Cross multiply
    115,553.60x = 159,454.56 × 67,800.32
  4. Step 4: Simplify right side
    115,553.60x = 10,811,070,193.46
  5. Step 5: Solve for x
    x = 10,811,070,193.46/115,553.60
  6. Step 6: Final answer
    x = 93,558.92

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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.