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Finding the Fourth Proportional to 181,805.50, 272,737.79 and 53,734.78

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Solution

The fourth proportional to 181,805.50, 272,737.79 and 53,734.78 is: 80,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.50 : 272,737.79 = 53,734.78 : x
  2. Step 2: Convert to fraction form
    181,805.50/272,737.79 = 53,734.78/x
  3. Step 3: Cross multiply
    181,805.50x = 272,737.79 × 53,734.78
  4. Step 4: Simplify right side
    181,805.50x = 14,655,505,143.34
  5. Step 5: Solve for x
    x = 14,655,505,143.34/181,805.50
  6. Step 6: Final answer
    x = 80,610.90

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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.