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Finding the Fourth Proportional to 224,515.78, 336,575.61 and 91,507.30

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Solution

The fourth proportional to 224,515.78, 336,575.61 and 91,507.30 is: 137,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,515.78 : 336,575.61 = 91,507.30 : x
  2. Step 2: Convert to fraction form
    224,515.78/336,575.61 = 91,507.30/x
  3. Step 3: Cross multiply
    224,515.78x = 336,575.61 × 91,507.30
  4. Step 4: Simplify right side
    224,515.78x = 30,799,124,475.51
  5. Step 5: Solve for x
    x = 30,799,124,475.51/224,515.78
  6. Step 6: Final answer
    x = 137,180.22

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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.