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Finding the Fourth Proportional to 101,312.73, 151,969.14 and 26,432.82

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Solution

The fourth proportional to 101,312.73, 151,969.14 and 26,432.82 is: 39,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,312.73 : 151,969.14 = 26,432.82 : x
  2. Step 2: Convert to fraction form
    101,312.73/151,969.14 = 26,432.82/x
  3. Step 3: Cross multiply
    101,312.73x = 151,969.14 × 26,432.82
  4. Step 4: Simplify right side
    101,312.73x = 4,016,972,923.17
  5. Step 5: Solve for x
    x = 4,016,972,923.17/101,312.73
  6. Step 6: Final answer
    x = 39,649.24

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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.