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Finding the Fourth Proportional to 125,884.64, 173,718.96 and 69,294.56

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Solution

The fourth proportional to 125,884.64, 173,718.96 and 69,294.56 is: 95,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.64 : 173,718.96 = 69,294.56 : x
  2. Step 2: Convert to fraction form
    125,884.64/173,718.96 = 69,294.56/x
  3. Step 3: Cross multiply
    125,884.64x = 173,718.96 × 69,294.56
  4. Step 4: Simplify right side
    125,884.64x = 12,037,778,896.86
  5. Step 5: Solve for x
    x = 12,037,778,896.86/125,884.64
  6. Step 6: Final answer
    x = 95,625.48

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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.