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Finding the Fourth Proportional to 365,724.85, 548,445.46 and 125,793.13

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Solution

The fourth proportional to 365,724.85, 548,445.46 and 125,793.13 is: 188,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,724.85 : 548,445.46 = 125,793.13 : x
  2. Step 2: Convert to fraction form
    365,724.85/548,445.46 = 125,793.13/x
  3. Step 3: Cross multiply
    365,724.85x = 548,445.46 × 125,793.13
  4. Step 4: Simplify right side
    365,724.85x = 68,990,671,047.69
  5. Step 5: Solve for x
    x = 68,990,671,047.69/365,724.85
  6. Step 6: Final answer
    x = 188,640.92

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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.