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Finding the Fourth Proportional to 146,730.60, 220,193.10 and 83,550.60

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Solution

The fourth proportional to 146,730.60, 220,193.10 and 83,550.60 is: 125,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,730.60 : 220,193.10 = 83,550.60 : x
  2. Step 2: Convert to fraction form
    146,730.60/220,193.10 = 83,550.60/x
  3. Step 3: Cross multiply
    146,730.60x = 220,193.10 × 83,550.60
  4. Step 4: Simplify right side
    146,730.60x = 18,397,265,620.86
  5. Step 5: Solve for x
    x = 18,397,265,620.86/146,730.60
  6. Step 6: Final answer
    x = 125,381.25

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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.