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Finding the Fourth Proportional to 234,187.29, 351,240.98 and 84,397.77

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Solution

The fourth proportional to 234,187.29, 351,240.98 and 84,397.77 is: 126,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,187.29 : 351,240.98 = 84,397.77 : x
  2. Step 2: Convert to fraction form
    234,187.29/351,240.98 = 84,397.77/x
  3. Step 3: Cross multiply
    234,187.29x = 351,240.98 × 84,397.77
  4. Step 4: Simplify right side
    234,187.29x = 29,643,955,022.63
  5. Step 5: Solve for x
    x = 29,643,955,022.63/234,187.29
  6. Step 6: Final answer
    x = 126,582.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.