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Finding the Fourth Proportional to 125,909.34, 173,754.57 and 69,320.71

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Solution

The fourth proportional to 125,909.34, 173,754.57 and 69,320.71 is: 95,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909.34 : 173,754.57 = 69,320.71 : x
  2. Step 2: Convert to fraction form
    125,909.34/173,754.57 = 69,320.71/x
  3. Step 3: Cross multiply
    125,909.34x = 173,754.57 × 69,320.71
  4. Step 4: Simplify right side
    125,909.34x = 12,044,790,245.36
  5. Step 5: Solve for x
    x = 12,044,790,245.36/125,909.34
  6. Step 6: Final answer
    x = 95,662.41

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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.