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Finding the Fourth Proportional to 100,061.30, 150,127.11 and 62,578.82

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Solution

The fourth proportional to 100,061.30, 150,127.11 and 62,578.82 is: 93,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,061.30 : 150,127.11 = 62,578.82 : x
  2. Step 2: Convert to fraction form
    100,061.30/150,127.11 = 62,578.82/x
  3. Step 3: Cross multiply
    100,061.30x = 150,127.11 × 62,578.82
  4. Step 4: Simplify right side
    100,061.30x = 9,394,777,393.81
  5. Step 5: Solve for x
    x = 9,394,777,393.81/100,061.30
  6. Step 6: Final answer
    x = 93,890.22

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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.