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Finding the Fourth Proportional to 147,264.57, 220,904.15 and 42,099.03

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Solution

The fourth proportional to 147,264.57, 220,904.15 and 42,099.03 is: 63,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,264.57 : 220,904.15 = 42,099.03 : x
  2. Step 2: Convert to fraction form
    147,264.57/220,904.15 = 42,099.03/x
  3. Step 3: Cross multiply
    147,264.57x = 220,904.15 × 42,099.03
  4. Step 4: Simplify right side
    147,264.57x = 9,299,850,227.48
  5. Step 5: Solve for x
    x = 9,299,850,227.48/147,264.57
  6. Step 6: Final answer
    x = 63,150.63

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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.