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Finding the Fourth Proportional to 233,911.13, 322,797.12 and 126,480.90

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Solution

The fourth proportional to 233,911.13, 322,797.12 and 126,480.90 is: 174,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,911.13 : 322,797.12 = 126,480.90 : x
  2. Step 2: Convert to fraction form
    233,911.13/322,797.12 = 126,480.90/x
  3. Step 3: Cross multiply
    233,911.13x = 322,797.12 × 126,480.90
  4. Step 4: Simplify right side
    233,911.13x = 40,827,670,255.01
  5. Step 5: Solve for x
    x = 40,827,670,255.01/233,911.13
  6. Step 6: Final answer
    x = 174,543.52

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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.