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Finding the Fourth Proportional to 125,939.50, 173,796.51 and 69,350.74

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Solution

The fourth proportional to 125,939.50, 173,796.51 and 69,350.74 is: 95,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.50 : 173,796.51 = 69,350.74 : x
  2. Step 2: Convert to fraction form
    125,939.50/173,796.51 = 69,350.74/x
  3. Step 3: Cross multiply
    125,939.50x = 173,796.51 × 69,350.74
  4. Step 4: Simplify right side
    125,939.50x = 12,052,916,577.92
  5. Step 5: Solve for x
    x = 12,052,916,577.92/125,939.50
  6. Step 6: Final answer
    x = 95,704.02

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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.