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Finding the Fourth Proportional to 101,287.91, 151,958.26 and 59,203.90

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Solution

The fourth proportional to 101,287.91, 151,958.26 and 59,203.90 is: 88,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,287.91 : 151,958.26 = 59,203.90 : x
  2. Step 2: Convert to fraction form
    101,287.91/151,958.26 = 59,203.90/x
  3. Step 3: Cross multiply
    101,287.91x = 151,958.26 × 59,203.90
  4. Step 4: Simplify right side
    101,287.91x = 8,996,521,629.21
  5. Step 5: Solve for x
    x = 8,996,521,629.21/101,287.91
  6. Step 6: Final answer
    x = 88,821.28

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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.