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Finding the Fourth Proportional to 125,976.47, 173,847.51 and 69,387.84

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Solution

The fourth proportional to 125,976.47, 173,847.51 and 69,387.84 is: 95,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.47 : 173,847.51 = 69,387.84 : x
  2. Step 2: Convert to fraction form
    125,976.47/173,847.51 = 69,387.84/x
  3. Step 3: Cross multiply
    125,976.47x = 173,847.51 × 69,387.84
  4. Step 4: Simplify right side
    125,976.47x = 12,062,903,208.28
  5. Step 5: Solve for x
    x = 12,062,903,208.28/125,976.47
  6. Step 6: Final answer
    x = 95,755.21

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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.