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Finding the Fourth Proportional to 148,950.40, 223,425.60 and 132,620.80

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Solution

The fourth proportional to 148,950.40, 223,425.60 and 132,620.80 is: 198,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,950.40 : 223,425.60 = 132,620.80 : x
  2. Step 2: Convert to fraction form
    148,950.40/223,425.60 = 132,620.80/x
  3. Step 3: Cross multiply
    148,950.40x = 223,425.60 × 132,620.80
  4. Step 4: Simplify right side
    148,950.40x = 29,630,881,812.48
  5. Step 5: Solve for x
    x = 29,630,881,812.48/148,950.40
  6. Step 6: Final answer
    x = 198,931.20

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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.