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Finding the Fourth Proportional to 162,751.80, 244,127.70 and 103,629.90

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Solution

The fourth proportional to 162,751.80, 244,127.70 and 103,629.90 is: 155,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,751.80 : 244,127.70 = 103,629.90 : x
  2. Step 2: Convert to fraction form
    162,751.80/244,127.70 = 103,629.90/x
  3. Step 3: Cross multiply
    162,751.80x = 244,127.70 × 103,629.90
  4. Step 4: Simplify right side
    162,751.80x = 25,298,929,138.23
  5. Step 5: Solve for x
    x = 25,298,929,138.23/162,751.80
  6. Step 6: Final answer
    x = 155,444.85

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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.