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Finding the Fourth Proportional to 172,414.40, 258,740.52 and 60,095.54

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Solution

The fourth proportional to 172,414.40, 258,740.52 and 60,095.54 is: 90,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414.40 : 258,740.52 = 60,095.54 : x
  2. Step 2: Convert to fraction form
    172,414.40/258,740.52 = 60,095.54/x
  3. Step 3: Cross multiply
    172,414.40x = 258,740.52 × 60,095.54
  4. Step 4: Simplify right side
    172,414.40x = 15,549,151,269.28
  5. Step 5: Solve for x
    x = 15,549,151,269.28/172,414.40
  6. Step 6: Final answer
    x = 90,184.76

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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.