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Finding the Fourth Proportional to 162,970.61, 244,456.11 and 44,642.97

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Solution

The fourth proportional to 162,970.61, 244,456.11 and 44,642.97 is: 66,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,970.61 : 244,456.11 = 44,642.97 : x
  2. Step 2: Convert to fraction form
    162,970.61/244,456.11 = 44,642.97/x
  3. Step 3: Cross multiply
    162,970.61x = 244,456.11 × 44,642.97
  4. Step 4: Simplify right side
    162,970.61x = 10,913,246,785.05
  5. Step 5: Solve for x
    x = 10,913,246,785.05/162,970.61
  6. Step 6: Final answer
    x = 66,964.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.