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Finding the Fourth Proportional to 148,995.60, 223,428.60 and 49,117.20

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Solution

The fourth proportional to 148,995.60, 223,428.60 and 49,117.20 is: 73,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,995.60 : 223,428.60 = 49,117.20 : x
  2. Step 2: Convert to fraction form
    148,995.60/223,428.60 = 49,117.20/x
  3. Step 3: Cross multiply
    148,995.60x = 223,428.60 × 49,117.20
  4. Step 4: Simplify right side
    148,995.60x = 10,974,187,231.92
  5. Step 5: Solve for x
    x = 10,974,187,231.92/148,995.60
  6. Step 6: Final answer
    x = 73,654.44

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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.