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Finding the Fourth Proportional to 224,762.53, 337,211.45 and 66,990.97

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Solution

The fourth proportional to 224,762.53, 337,211.45 and 66,990.97 is: 100,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,762.53 : 337,211.45 = 66,990.97 : x
  2. Step 2: Convert to fraction form
    224,762.53/337,211.45 = 66,990.97/x
  3. Step 3: Cross multiply
    224,762.53x = 337,211.45 × 66,990.97
  4. Step 4: Simplify right side
    224,762.53x = 22,590,122,130.61
  5. Step 5: Solve for x
    x = 22,590,122,130.61/224,762.53
  6. Step 6: Final answer
    x = 100,506.62

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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.