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Finding the Fourth Proportional to 237,915.90, 356,894.82 and 67,139.15

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Solution

The fourth proportional to 237,915.90, 356,894.82 and 67,139.15 is: 100,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,915.90 : 356,894.82 = 67,139.15 : x
  2. Step 2: Convert to fraction form
    237,915.90/356,894.82 = 67,139.15/x
  3. Step 3: Cross multiply
    237,915.90x = 356,894.82 × 67,139.15
  4. Step 4: Simplify right side
    237,915.90x = 23,961,613,069.73
  5. Step 5: Solve for x
    x = 23,961,613,069.73/237,915.90
  6. Step 6: Final answer
    x = 100,714.64

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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.