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Finding the Fourth Proportional to 162,985.96, 244,470.78 and 44,655.40

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Solution

The fourth proportional to 162,985.96, 244,470.78 and 44,655.40 is: 66,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,985.96 : 244,470.78 = 44,655.40 : x
  2. Step 2: Convert to fraction form
    162,985.96/244,470.78 = 44,655.40/x
  3. Step 3: Cross multiply
    162,985.96x = 244,470.78 × 44,655.40
  4. Step 4: Simplify right side
    162,985.96x = 10,916,940,469.21
  5. Step 5: Solve for x
    x = 10,916,940,469.21/162,985.96
  6. Step 6: Final answer
    x = 66,980.86

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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.