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Finding the Fourth Proportional to 170,291.60, 235,002.88 and 94,839.92

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Solution

The fourth proportional to 170,291.60, 235,002.88 and 94,839.92 is: 130,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.60 : 235,002.88 = 94,839.92 : x
  2. Step 2: Convert to fraction form
    170,291.60/235,002.88 = 94,839.92/x
  3. Step 3: Cross multiply
    170,291.60x = 235,002.88 × 94,839.92
  4. Step 4: Simplify right side
    170,291.60x = 22,287,654,338.97
  5. Step 5: Solve for x
    x = 22,287,654,338.97/170,291.60
  6. Step 6: Final answer
    x = 130,879.35

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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.