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Finding the Fourth Proportional to 92,700.75, 139,061.39 and 29,498.73

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Solution

The fourth proportional to 92,700.75, 139,061.39 and 29,498.73 is: 44,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,700.75 : 139,061.39 = 29,498.73 : x
  2. Step 2: Convert to fraction form
    92,700.75/139,061.39 = 29,498.73/x
  3. Step 3: Cross multiply
    92,700.75x = 139,061.39 × 29,498.73
  4. Step 4: Simplify right side
    92,700.75x = 4,102,134,249.54
  5. Step 5: Solve for x
    x = 4,102,134,249.54/92,700.75
  6. Step 6: Final answer
    x = 44,251.36

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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.