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Finding the Fourth Proportional to 162,749.80, 244,124.70 and 103,627.90

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Solution

The fourth proportional to 162,749.80, 244,124.70 and 103,627.90 is: 155,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,749.80 : 244,124.70 = 103,627.90 : x
  2. Step 2: Convert to fraction form
    162,749.80/244,124.70 = 103,627.90/x
  3. Step 3: Cross multiply
    162,749.80x = 244,124.70 × 103,627.90
  4. Step 4: Simplify right side
    162,749.80x = 25,298,129,999.13
  5. Step 5: Solve for x
    x = 25,298,129,999.13/162,749.80
  6. Step 6: Final answer
    x = 155,441.85

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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.