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Finding the Fourth Proportional to 124,793.60, 186,801.60 and 89,801.60

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Solution

The fourth proportional to 124,793.60, 186,801.60 and 89,801.60 is: 134,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,793.60 : 186,801.60 = 89,801.60 : x
  2. Step 2: Convert to fraction form
    124,793.60/186,801.60 = 89,801.60/x
  3. Step 3: Cross multiply
    124,793.60x = 186,801.60 × 89,801.60
  4. Step 4: Simplify right side
    124,793.60x = 16,775,082,562.56
  5. Step 5: Solve for x
    x = 16,775,082,562.56/124,793.60
  6. Step 6: Final answer
    x = 134,422.62

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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.