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Finding the Fourth Proportional to 172,552.63, 258,854.45 and 88,360.39

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Solution

The fourth proportional to 172,552.63, 258,854.45 and 88,360.39 is: 132,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,552.63 : 258,854.45 = 88,360.39 : x
  2. Step 2: Convert to fraction form
    172,552.63/258,854.45 = 88,360.39/x
  3. Step 3: Cross multiply
    172,552.63x = 258,854.45 × 88,360.39
  4. Step 4: Simplify right side
    172,552.63x = 22,872,479,713.43
  5. Step 5: Solve for x
    x = 22,872,479,713.43/172,552.63
  6. Step 6: Final answer
    x = 132,553.64

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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.