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Finding the Fourth Proportional to 159,207.39, 219,692.88 and 93,785.85

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Solution

The fourth proportional to 159,207.39, 219,692.88 and 93,785.85 is: 129,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,207.39 : 219,692.88 = 93,785.85 : x
  2. Step 2: Convert to fraction form
    159,207.39/219,692.88 = 93,785.85/x
  3. Step 3: Cross multiply
    159,207.39x = 219,692.88 × 93,785.85
  4. Step 4: Simplify right side
    159,207.39x = 20,604,083,489.75
  5. Step 5: Solve for x
    x = 20,604,083,489.75/159,207.39
  6. Step 6: Final answer
    x = 129,416.63

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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.