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Finding the Fourth Proportional to 148,873.60, 223,310.40 and 137,468.80

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Solution

The fourth proportional to 148,873.60, 223,310.40 and 137,468.80 is: 206,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,873.60 : 223,310.40 = 137,468.80 : x
  2. Step 2: Convert to fraction form
    148,873.60/223,310.40 = 137,468.80/x
  3. Step 3: Cross multiply
    148,873.60x = 223,310.40 × 137,468.80
  4. Step 4: Simplify right side
    148,873.60x = 30,698,212,715.52
  5. Step 5: Solve for x
    x = 30,698,212,715.52/148,873.60
  6. Step 6: Final answer
    x = 206,203.20

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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.