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Finding the Fourth Proportional to 115,454.16, 159,250.05 and 67,660.92

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Solution

The fourth proportional to 115,454.16, 159,250.05 and 67,660.92 is: 93,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,454.16 : 159,250.05 = 67,660.92 : x
  2. Step 2: Convert to fraction form
    115,454.16/159,250.05 = 67,660.92/x
  3. Step 3: Cross multiply
    115,454.16x = 159,250.05 × 67,660.92
  4. Step 4: Simplify right side
    115,454.16x = 10,775,004,893.05
  5. Step 5: Solve for x
    x = 10,775,004,893.05/115,454.16
  6. Step 6: Final answer
    x = 93,327.13

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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.