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Finding the Fourth Proportional to 101,078.92, 151,462.86 and 59,480.20

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Solution

The fourth proportional to 101,078.92, 151,462.86 and 59,480.20 is: 89,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,078.92 : 151,462.86 = 59,480.20 : x
  2. Step 2: Convert to fraction form
    101,078.92/151,462.86 = 59,480.20/x
  3. Step 3: Cross multiply
    101,078.92x = 151,462.86 × 59,480.20
  4. Step 4: Simplify right side
    101,078.92x = 9,009,041,205.37
  5. Step 5: Solve for x
    x = 9,009,041,205.37/101,078.92
  6. Step 6: Final answer
    x = 89,128.78

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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.