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Finding the Fourth Proportional to 162,909.60, 244,583.10 and 104,006.40

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Solution

The fourth proportional to 162,909.60, 244,583.10 and 104,006.40 is: 156,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,909.60 : 244,583.10 = 104,006.40 : x
  2. Step 2: Convert to fraction form
    162,909.60/244,583.10 = 104,006.40/x
  3. Step 3: Cross multiply
    162,909.60x = 244,583.10 × 104,006.40
  4. Step 4: Simplify right side
    162,909.60x = 25,438,207,731.84
  5. Step 5: Solve for x
    x = 25,438,207,731.84/162,909.60
  6. Step 6: Final answer
    x = 156,149.22

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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.