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Finding the Fourth Proportional to 172,891.90, 259,337.85 and 48,232.90

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Solution

The fourth proportional to 172,891.90, 259,337.85 and 48,232.90 is: 72,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891.90 : 259,337.85 = 48,232.90 : x
  2. Step 2: Convert to fraction form
    172,891.90/259,337.85 = 48,232.90/x
  3. Step 3: Cross multiply
    172,891.90x = 259,337.85 × 48,232.90
  4. Step 4: Simplify right side
    172,891.90x = 12,508,616,585.27
  5. Step 5: Solve for x
    x = 12,508,616,585.27/172,891.90
  6. Step 6: Final answer
    x = 72,349.35

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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.