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Finding the Fourth Proportional to 162,677.80, 244,016.70 and 83,945.80

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Solution

The fourth proportional to 162,677.80, 244,016.70 and 83,945.80 is: 125,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,677.80 : 244,016.70 = 83,945.80 : x
  2. Step 2: Convert to fraction form
    162,677.80/244,016.70 = 83,945.80/x
  3. Step 3: Cross multiply
    162,677.80x = 244,016.70 × 83,945.80
  4. Step 4: Simplify right side
    162,677.80x = 20,484,177,094.86
  5. Step 5: Solve for x
    x = 20,484,177,094.86/162,677.80
  6. Step 6: Final answer
    x = 125,918.70

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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.