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Finding the Fourth Proportional to 233,147.20, 349,807.20 and 75,380.80

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Solution

The fourth proportional to 233,147.20, 349,807.20 and 75,380.80 is: 113,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,147.20 : 349,807.20 = 75,380.80 : x
  2. Step 2: Convert to fraction form
    233,147.20/349,807.20 = 75,380.80/x
  3. Step 3: Cross multiply
    233,147.20x = 349,807.20 × 75,380.80
  4. Step 4: Simplify right side
    233,147.20x = 26,368,746,581.76
  5. Step 5: Solve for x
    x = 26,368,746,581.76/233,147.20
  6. Step 6: Final answer
    x = 113,099.13

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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.