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Finding the Fourth Proportional to 283,624.20, 425,436.30 and 125,868.60

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Solution

The fourth proportional to 283,624.20, 425,436.30 and 125,868.60 is: 188,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,624.20 : 425,436.30 = 125,868.60 : x
  2. Step 2: Convert to fraction form
    283,624.20/425,436.30 = 125,868.60/x
  3. Step 3: Cross multiply
    283,624.20x = 425,436.30 × 125,868.60
  4. Step 4: Simplify right side
    283,624.20x = 53,549,071,470.18
  5. Step 5: Solve for x
    x = 53,549,071,470.18/283,624.20
  6. Step 6: Final answer
    x = 188,802.90

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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.