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Finding the Fourth Proportional to 148,502.30, 222,731.85 and 43,310.30

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Solution

The fourth proportional to 148,502.30, 222,731.85 and 43,310.30 is: 64,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,502.30 : 222,731.85 = 43,310.30 : x
  2. Step 2: Convert to fraction form
    148,502.30/222,731.85 = 43,310.30/x
  3. Step 3: Cross multiply
    148,502.30x = 222,731.85 × 43,310.30
  4. Step 4: Simplify right side
    148,502.30x = 9,646,583,243.06
  5. Step 5: Solve for x
    x = 9,646,583,243.06/148,502.30
  6. Step 6: Final answer
    x = 64,959.15

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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.