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Finding the Fourth Proportional to 230,299.87, 345,402.17 and 61,780.24

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Solution

The fourth proportional to 230,299.87, 345,402.17 and 61,780.24 is: 92,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,299.87 : 345,402.17 = 61,780.24 : x
  2. Step 2: Convert to fraction form
    230,299.87/345,402.17 = 61,780.24/x
  3. Step 3: Cross multiply
    230,299.87x = 345,402.17 × 61,780.24
  4. Step 4: Simplify right side
    230,299.87x = 21,339,030,632.61
  5. Step 5: Solve for x
    x = 21,339,030,632.61/230,299.87
  6. Step 6: Final answer
    x = 92,657.59

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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.