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Finding the Fourth Proportional to 148,469.70, 222,731.55 and 48,602.10

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Solution

The fourth proportional to 148,469.70, 222,731.55 and 48,602.10 is: 72,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,469.70 : 222,731.55 = 48,602.10 : x
  2. Step 2: Convert to fraction form
    148,469.70/222,731.55 = 48,602.10/x
  3. Step 3: Cross multiply
    148,469.70x = 222,731.55 × 48,602.10
  4. Step 4: Simplify right side
    148,469.70x = 10,825,221,066.26
  5. Step 5: Solve for x
    x = 10,825,221,066.26/148,469.70
  6. Step 6: Final answer
    x = 72,911.99

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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.