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Finding the Fourth Proportional to 170,398.46, 235,151.46 and 93,920.30

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Solution

The fourth proportional to 170,398.46, 235,151.46 and 93,920.30 is: 129,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,398.46 : 235,151.46 = 93,920.30 : x
  2. Step 2: Convert to fraction form
    170,398.46/235,151.46 = 93,920.30/x
  3. Step 3: Cross multiply
    170,398.46x = 235,151.46 × 93,920.30
  4. Step 4: Simplify right side
    170,398.46x = 22,085,495,668.64
  5. Step 5: Solve for x
    x = 22,085,495,668.64/170,398.46
  6. Step 6: Final answer
    x = 129,610.89

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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.