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Finding the Fourth Proportional to 224,729.88, 337,143.48 and 66,971.04

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Solution

The fourth proportional to 224,729.88, 337,143.48 and 66,971.04 is: 100,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,729.88 : 337,143.48 = 66,971.04 : x
  2. Step 2: Convert to fraction form
    224,729.88/337,143.48 = 66,971.04/x
  3. Step 3: Cross multiply
    224,729.88x = 337,143.48 × 66,971.04
  4. Step 4: Simplify right side
    224,729.88x = 22,578,849,484.82
  5. Step 5: Solve for x
    x = 22,578,849,484.82/224,729.88
  6. Step 6: Final answer
    x = 100,471.06

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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.