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Finding the Fourth Proportional to 101,077.92, 151,461.36 and 59,479.20

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Solution

The fourth proportional to 101,077.92, 151,461.36 and 59,479.20 is: 89,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,077.92 : 151,461.36 = 59,479.20 : x
  2. Step 2: Convert to fraction form
    101,077.92/151,461.36 = 59,479.20/x
  3. Step 3: Cross multiply
    101,077.92x = 151,461.36 × 59,479.20
  4. Step 4: Simplify right side
    101,077.92x = 9,008,800,523.71
  5. Step 5: Solve for x
    x = 9,008,800,523.71/101,077.92
  6. Step 6: Final answer
    x = 89,127.28

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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.