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Finding the Fourth Proportional to 125,751.28, 173,537.28 and 69,166.24

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Solution

The fourth proportional to 125,751.28, 173,537.28 and 69,166.24 is: 95,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751.28 : 173,537.28 = 69,166.24 : x
  2. Step 2: Convert to fraction form
    125,751.28/173,537.28 = 69,166.24/x
  3. Step 3: Cross multiply
    125,751.28x = 173,537.28 × 69,166.24
  4. Step 4: Simplify right side
    125,751.28x = 12,002,921,157.43
  5. Step 5: Solve for x
    x = 12,002,921,157.43/125,751.28
  6. Step 6: Final answer
    x = 95,449.69

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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.