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Finding the Fourth Proportional to 234,033.68, 322,965.50 and 126,603.45

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Solution

The fourth proportional to 234,033.68, 322,965.50 and 126,603.45 is: 174,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,033.68 : 322,965.50 = 126,603.45 : x
  2. Step 2: Convert to fraction form
    234,033.68/322,965.50 = 126,603.45/x
  3. Step 3: Cross multiply
    234,033.68x = 322,965.50 × 126,603.45
  4. Step 4: Simplify right side
    234,033.68x = 40,888,544,916.15
  5. Step 5: Solve for x
    x = 40,888,544,916.15/234,033.68
  6. Step 6: Final answer
    x = 174,712.22

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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.