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Finding the Fourth Proportional to 272,706.60, 409,230.26 and 104,241.18

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Solution

The fourth proportional to 272,706.60, 409,230.26 and 104,241.18 is: 156,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,706.60 : 409,230.26 = 104,241.18 : x
  2. Step 2: Convert to fraction form
    272,706.60/409,230.26 = 104,241.18/x
  3. Step 3: Cross multiply
    272,706.60x = 409,230.26 × 104,241.18
  4. Step 4: Simplify right side
    272,706.60x = 42,658,645,194.11
  5. Step 5: Solve for x
    x = 42,658,645,194.11/272,706.60
  6. Step 6: Final answer
    x = 156,426.89

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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.