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Finding the Fourth Proportional to 232,691.50, 349,037.25 and 66,479.50

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Solution

The fourth proportional to 232,691.50, 349,037.25 and 66,479.50 is: 99,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,691.50 : 349,037.25 = 66,479.50 : x
  2. Step 2: Convert to fraction form
    232,691.50/349,037.25 = 66,479.50/x
  3. Step 3: Cross multiply
    232,691.50x = 349,037.25 × 66,479.50
  4. Step 4: Simplify right side
    232,691.50x = 23,203,821,861.38
  5. Step 5: Solve for x
    x = 23,203,821,861.38/232,691.50
  6. Step 6: Final answer
    x = 99,719.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.