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Finding the Fourth Proportional to 234,081.71, 323,030.46 and 126,649.38

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Solution

The fourth proportional to 234,081.71, 323,030.46 and 126,649.38 is: 174,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,081.71 : 323,030.46 = 126,649.38 : x
  2. Step 2: Convert to fraction form
    234,081.71/323,030.46 = 126,649.38/x
  3. Step 3: Cross multiply
    234,081.71x = 323,030.46 × 126,649.38
  4. Step 4: Simplify right side
    234,081.71x = 40,911,607,480.11
  5. Step 5: Solve for x
    x = 40,911,607,480.11/234,081.71
  6. Step 6: Final answer
    x = 174,774.90

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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.