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Finding the Fourth Proportional to 222,691.70, 334,037.55 and 64,936.10

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Solution

The fourth proportional to 222,691.70, 334,037.55 and 64,936.10 is: 97,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,691.70 : 334,037.55 = 64,936.10 : x
  2. Step 2: Convert to fraction form
    222,691.70/334,037.55 = 64,936.10/x
  3. Step 3: Cross multiply
    222,691.70x = 334,037.55 × 64,936.10
  4. Step 4: Simplify right side
    222,691.70x = 21,691,095,750.56
  5. Step 5: Solve for x
    x = 21,691,095,750.56/222,691.70
  6. Step 6: Final answer
    x = 97,404.15

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1.5x scale

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.