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Finding the Fourth Proportional to 115,710.32, 173,565.48 and 60,414.32

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Solution

The fourth proportional to 115,710.32, 173,565.48 and 60,414.32 is: 90,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,710.32 : 173,565.48 = 60,414.32 : x
  2. Step 2: Convert to fraction form
    115,710.32/173,565.48 = 60,414.32/x
  3. Step 3: Cross multiply
    115,710.32x = 173,565.48 × 60,414.32
  4. Step 4: Simplify right side
    115,710.32x = 10,485,840,449.67
  5. Step 5: Solve for x
    x = 10,485,840,449.67/115,710.32
  6. Step 6: Final answer
    x = 90,621.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.