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Finding the Fourth Proportional to 162,750.80, 244,126.20 and 103,628.90

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Solution

The fourth proportional to 162,750.80, 244,126.20 and 103,628.90 is: 155,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,750.80 : 244,126.20 = 103,628.90 : x
  2. Step 2: Convert to fraction form
    162,750.80/244,126.20 = 103,628.90/x
  3. Step 3: Cross multiply
    162,750.80x = 244,126.20 × 103,628.90
  4. Step 4: Simplify right side
    162,750.80x = 25,298,529,567.18
  5. Step 5: Solve for x
    x = 25,298,529,567.18/162,750.80
  6. Step 6: Final answer
    x = 155,443.35

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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.