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Finding the Fourth Proportional to 282,753.60, 424,000.80 and 124,900.80

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Solution

The fourth proportional to 282,753.60, 424,000.80 and 124,900.80 is: 187,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,753.60 : 424,000.80 = 124,900.80 : x
  2. Step 2: Convert to fraction form
    282,753.60/424,000.80 = 124,900.80/x
  3. Step 3: Cross multiply
    282,753.60x = 424,000.80 × 124,900.80
  4. Step 4: Simplify right side
    282,753.60x = 52,958,039,120.64
  5. Step 5: Solve for x
    x = 52,958,039,120.64/282,753.60
  6. Step 6: Final answer
    x = 187,293.95

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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.