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Finding the Fourth Proportional to 222,753.60, 334,206.90 and 65,005.20

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Solution

The fourth proportional to 222,753.60, 334,206.90 and 65,005.20 is: 97,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,753.60 : 334,206.90 = 65,005.20 : x
  2. Step 2: Convert to fraction form
    222,753.60/334,206.90 = 65,005.20/x
  3. Step 3: Cross multiply
    222,753.60x = 334,206.90 × 65,005.20
  4. Step 4: Simplify right side
    222,753.60x = 21,725,186,375.88
  5. Step 5: Solve for x
    x = 21,725,186,375.88/222,753.60
  6. Step 6: Final answer
    x = 97,530.12

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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.