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Finding the Fourth Proportional to 127,462.80, 191,183.17 and 59,978.83

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Solution

The fourth proportional to 127,462.80, 191,183.17 and 59,978.83 is: 89,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,462.80 : 191,183.17 = 59,978.83 : x
  2. Step 2: Convert to fraction form
    127,462.80/191,183.17 = 59,978.83/x
  3. Step 3: Cross multiply
    127,462.80x = 191,183.17 × 59,978.83
  4. Step 4: Simplify right side
    127,462.80x = 11,466,942,852.29
  5. Step 5: Solve for x
    x = 11,466,942,852.29/127,462.80
  6. Step 6: Final answer
    x = 89,963.05

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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.