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Finding the Fourth Proportional to 170,291.97, 235,002.92 and 94,840.47

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Solution

The fourth proportional to 170,291.97, 235,002.92 and 94,840.47 is: 130,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.97 : 235,002.92 = 94,840.47 : x
  2. Step 2: Convert to fraction form
    170,291.97/235,002.92 = 94,840.47/x
  3. Step 3: Cross multiply
    170,291.97x = 235,002.92 × 94,840.47
  4. Step 4: Simplify right side
    170,291.97x = 22,287,787,384.17
  5. Step 5: Solve for x
    x = 22,287,787,384.17/170,291.97
  6. Step 6: Final answer
    x = 130,879.85

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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.