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Finding the Fourth Proportional to 123,798.30, 185,726.34 and 98,593.26

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Solution

The fourth proportional to 123,798.30, 185,726.34 and 98,593.26 is: 147,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,798.30 : 185,726.34 = 98,593.26 : x
  2. Step 2: Convert to fraction form
    123,798.30/185,726.34 = 98,593.26/x
  3. Step 3: Cross multiply
    123,798.30x = 185,726.34 × 98,593.26
  4. Step 4: Simplify right side
    123,798.30x = 18,311,365,328.47
  5. Step 5: Solve for x
    x = 18,311,365,328.47/123,798.30
  6. Step 6: Final answer
    x = 147,912.90

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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.