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Finding the Fourth Proportional to 151,959.48, 227,965.14 and 67,750.20

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Solution

The fourth proportional to 151,959.48, 227,965.14 and 67,750.20 is: 101,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,959.48 : 227,965.14 = 67,750.20 : x
  2. Step 2: Convert to fraction form
    151,959.48/227,965.14 = 67,750.20/x
  3. Step 3: Cross multiply
    151,959.48x = 227,965.14 × 67,750.20
  4. Step 4: Simplify right side
    151,959.48x = 15,444,683,828.03
  5. Step 5: Solve for x
    x = 15,444,683,828.03/151,959.48
  6. Step 6: Final answer
    x = 101,636.86

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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.