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Finding the Fourth Proportional to 125,829, 173,645.24 and 69,241.59

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Solution

The fourth proportional to 125,829, 173,645.24 and 69,241.59 is: 95,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829 : 173,645.24 = 69,241.59 : x
  2. Step 2: Convert to fraction form
    125,829/173,645.24 = 69,241.59/x
  3. Step 3: Cross multiply
    125,829x = 173,645.24 × 69,241.59
  4. Step 4: Simplify right side
    125,829x = 12,023,472,167.32
  5. Step 5: Solve for x
    x = 12,023,472,167.32/125,829
  6. Step 6: Final answer
    x = 95,554.06

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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.