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Finding the Fourth Proportional to 224,926.20, 337,389.30 and 91,762.20

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Solution

The fourth proportional to 224,926.20, 337,389.30 and 91,762.20 is: 137,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,926.20 : 337,389.30 = 91,762.20 : x
  2. Step 2: Convert to fraction form
    224,926.20/337,389.30 = 91,762.20/x
  3. Step 3: Cross multiply
    224,926.20x = 337,389.30 × 91,762.20
  4. Step 4: Simplify right side
    224,926.20x = 30,959,584,424.46
  5. Step 5: Solve for x
    x = 30,959,584,424.46/224,926.20
  6. Step 6: Final answer
    x = 137,643.30

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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.