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Finding the Fourth Proportional to 224,507.12, 336,812.52 and 66,732.08

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Solution

The fourth proportional to 224,507.12, 336,812.52 and 66,732.08 is: 100,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,507.12 : 336,812.52 = 66,732.08 : x
  2. Step 2: Convert to fraction form
    224,507.12/336,812.52 = 66,732.08/x
  3. Step 3: Cross multiply
    224,507.12x = 336,812.52 × 66,732.08
  4. Step 4: Simplify right side
    224,507.12x = 22,476,200,029.64
  5. Step 5: Solve for x
    x = 22,476,200,029.64/224,507.12
  6. Step 6: Final answer
    x = 100,113.53

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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.