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Finding the Fourth Proportional to 224,679.72, 309,915.62 and 170,846.71

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Solution

The fourth proportional to 224,679.72, 309,915.62 and 170,846.71 is: 235,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,679.72 : 309,915.62 = 170,846.71 : x
  2. Step 2: Convert to fraction form
    224,679.72/309,915.62 = 170,846.71/x
  3. Step 3: Cross multiply
    224,679.72x = 309,915.62 × 170,846.71
  4. Step 4: Simplify right side
    224,679.72x = 52,948,064,054.61
  5. Step 5: Solve for x
    x = 52,948,064,054.61/224,679.72
  6. Step 6: Final answer
    x = 235,660.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.