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Finding the Fourth Proportional to 159,754.50, 239,610.93 and 47,432.46

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Solution

The fourth proportional to 159,754.50, 239,610.93 and 47,432.46 is: 71,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,754.50 : 239,610.93 = 47,432.46 : x
  2. Step 2: Convert to fraction form
    159,754.50/239,610.93 = 47,432.46/x
  3. Step 3: Cross multiply
    159,754.50x = 239,610.93 × 47,432.46
  4. Step 4: Simplify right side
    159,754.50x = 11,365,335,852.79
  5. Step 5: Solve for x
    x = 11,365,335,852.79/159,754.50
  6. Step 6: Final answer
    x = 71,142.51

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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.