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Finding the Fourth Proportional to 99,737.68, 137,655.92 and 59,454.12

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Solution

The fourth proportional to 99,737.68, 137,655.92 and 59,454.12 is: 82,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.68 : 137,655.92 = 59,454.12 : x
  2. Step 2: Convert to fraction form
    99,737.68/137,655.92 = 59,454.12/x
  3. Step 3: Cross multiply
    99,737.68x = 137,655.92 × 59,454.12
  4. Step 4: Simplify right side
    99,737.68x = 8,184,211,586.39
  5. Step 5: Solve for x
    x = 8,184,211,586.39/99,737.68
  6. Step 6: Final answer
    x = 82,057.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.