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Finding the Fourth Proportional to 172,214.56, 258,314.76 and 59,920.24

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Solution

The fourth proportional to 172,214.56, 258,314.76 and 59,920.24 is: 89,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214.56 : 258,314.76 = 59,920.24 : x
  2. Step 2: Convert to fraction form
    172,214.56/258,314.76 = 59,920.24/x
  3. Step 3: Cross multiply
    172,214.56x = 258,314.76 × 59,920.24
  4. Step 4: Simplify right side
    172,214.56x = 15,478,282,414.74
  5. Step 5: Solve for x
    x = 15,478,282,414.74/172,214.56
  6. Step 6: Final answer
    x = 89,877.90

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1.5x scale

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.