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Finding the Fourth Proportional to 160,463.76, 240,734.52 and 48,143.76

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Solution

The fourth proportional to 160,463.76, 240,734.52 and 48,143.76 is: 72,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,463.76 : 240,734.52 = 48,143.76 : x
  2. Step 2: Convert to fraction form
    160,463.76/240,734.52 = 48,143.76/x
  3. Step 3: Cross multiply
    160,463.76x = 240,734.52 × 48,143.76
  4. Step 4: Simplify right side
    160,463.76x = 11,589,864,954.60
  5. Step 5: Solve for x
    x = 11,589,864,954.60/160,463.76
  6. Step 6: Final answer
    x = 72,227.31

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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.