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Finding the Fourth Proportional to 101,079.92, 151,464.36 and 59,481.20

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Solution

The fourth proportional to 101,079.92, 151,464.36 and 59,481.20 is: 89,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,079.92 : 151,464.36 = 59,481.20 : x
  2. Step 2: Convert to fraction form
    101,079.92/151,464.36 = 59,481.20/x
  3. Step 3: Cross multiply
    101,079.92x = 151,464.36 × 59,481.20
  4. Step 4: Simplify right side
    101,079.92x = 9,009,281,890.03
  5. Step 5: Solve for x
    x = 9,009,281,890.03/101,079.92
  6. Step 6: Final answer
    x = 89,130.28

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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.