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Finding the Fourth Proportional to 234,047.89, 322,985.80 and 126,617.59

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Solution

The fourth proportional to 234,047.89, 322,985.80 and 126,617.59 is: 174,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,047.89 : 322,985.80 = 126,617.59 : x
  2. Step 2: Convert to fraction form
    234,047.89/322,985.80 = 126,617.59/x
  3. Step 3: Cross multiply
    234,047.89x = 322,985.80 × 126,617.59
  4. Step 4: Simplify right side
    234,047.89x = 40,895,683,600.22
  5. Step 5: Solve for x
    x = 40,895,683,600.22/234,047.89
  6. Step 6: Final answer
    x = 174,732.12

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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.