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Finding the Fourth Proportional to 148,843.31, 223,264.15 and 54,073.31

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Solution

The fourth proportional to 148,843.31, 223,264.15 and 54,073.31 is: 81,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,843.31 : 223,264.15 = 54,073.31 : x
  2. Step 2: Convert to fraction form
    148,843.31/223,264.15 = 54,073.31/x
  3. Step 3: Cross multiply
    148,843.31x = 223,264.15 × 54,073.31
  4. Step 4: Simplify right side
    148,843.31x = 12,072,630,343.33
  5. Step 5: Solve for x
    x = 12,072,630,343.33/148,843.31
  6. Step 6: Final answer
    x = 81,109.66

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1.5x scale

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.