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Finding the Fourth Proportional to 172,254.05, 258,386.84 and 59,943.70

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Solution

The fourth proportional to 172,254.05, 258,386.84 and 59,943.70 is: 89,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,254.05 : 258,386.84 = 59,943.70 : x
  2. Step 2: Convert to fraction form
    172,254.05/258,386.84 = 59,943.70/x
  3. Step 3: Cross multiply
    172,254.05x = 258,386.84 × 59,943.70
  4. Step 4: Simplify right side
    172,254.05x = 15,488,663,220.91
  5. Step 5: Solve for x
    x = 15,488,663,220.91/172,254.05
  6. Step 6: Final answer
    x = 89,917.56

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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.