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Finding the Fourth Proportional to 171,002.74, 235,979.65 and 93,474.94

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Solution

The fourth proportional to 171,002.74, 235,979.65 and 93,474.94 is: 128,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.74 : 235,979.65 = 93,474.94 : x
  2. Step 2: Convert to fraction form
    171,002.74/235,979.65 = 93,474.94/x
  3. Step 3: Cross multiply
    171,002.74x = 235,979.65 × 93,474.94
  4. Step 4: Simplify right side
    171,002.74x = 22,058,183,624.97
  5. Step 5: Solve for x
    x = 22,058,183,624.97/171,002.74
  6. Step 6: Final answer
    x = 128,993.16

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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.