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Finding the Fourth Proportional to 220,168.47, 303,832.49 and 124,693.62

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Solution

The fourth proportional to 220,168.47, 303,832.49 and 124,693.62 is: 172,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,168.47 : 303,832.49 = 124,693.62 : x
  2. Step 2: Convert to fraction form
    220,168.47/303,832.49 = 124,693.62/x
  3. Step 3: Cross multiply
    220,168.47x = 303,832.49 × 124,693.62
  4. Step 4: Simplify right side
    220,168.47x = 37,885,970,909.08
  5. Step 5: Solve for x
    x = 37,885,970,909.08/220,168.47
  6. Step 6: Final answer
    x = 172,077.19

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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.