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Finding the Fourth Proportional to 175,335.82, 241,932.70 and 103,689.70

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Solution

The fourth proportional to 175,335.82, 241,932.70 and 103,689.70 is: 143,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,335.82 : 241,932.70 = 103,689.70 : x
  2. Step 2: Convert to fraction form
    175,335.82/241,932.70 = 103,689.70/x
  3. Step 3: Cross multiply
    175,335.82x = 241,932.70 × 103,689.70
  4. Step 4: Simplify right side
    175,335.82x = 25,085,929,083.19
  5. Step 5: Solve for x
    x = 25,085,929,083.19/175,335.82
  6. Step 6: Final answer
    x = 143,073.61

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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.