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Finding the Fourth Proportional to 115,445.16, 172,854.92 and 59,924.52

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Solution

The fourth proportional to 115,445.16, 172,854.92 and 59,924.52 is: 89,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.16 : 172,854.92 = 59,924.52 : x
  2. Step 2: Convert to fraction form
    115,445.16/172,854.92 = 59,924.52/x
  3. Step 3: Cross multiply
    115,445.16x = 172,854.92 × 59,924.52
  4. Step 4: Simplify right side
    115,445.16x = 10,358,248,110.64
  5. Step 5: Solve for x
    x = 10,358,248,110.64/115,445.16
  6. Step 6: Final answer
    x = 89,724.40

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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.