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Finding the Fourth Proportional to 173,543.97, 260,318.12 and 55,214.85

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Solution

The fourth proportional to 173,543.97, 260,318.12 and 55,214.85 is: 82,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,543.97 : 260,318.12 = 55,214.85 : x
  2. Step 2: Convert to fraction form
    173,543.97/260,318.12 = 55,214.85/x
  3. Step 3: Cross multiply
    173,543.97x = 260,318.12 × 55,214.85
  4. Step 4: Simplify right side
    173,543.97x = 14,373,425,672.01
  5. Step 5: Solve for x
    x = 14,373,425,672.01/173,543.97
  6. Step 6: Final answer
    x = 82,822.96

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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.