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Finding the Fourth Proportional to 147,149.92, 203,012.22 and 89,769.52

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Solution

The fourth proportional to 147,149.92, 203,012.22 and 89,769.52 is: 123,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,149.92 : 203,012.22 = 89,769.52 : x
  2. Step 2: Convert to fraction form
    147,149.92/203,012.22 = 89,769.52/x
  3. Step 3: Cross multiply
    147,149.92x = 203,012.22 × 89,769.52
  4. Step 4: Simplify right side
    147,149.92x = 18,224,309,543.53
  5. Step 5: Solve for x
    x = 18,224,309,543.53/147,149.92
  6. Step 6: Final answer
    x = 123,848.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.