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Finding the Fourth Proportional to 183,156.91, 274,813.27 and 70,915.97

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Solution

The fourth proportional to 183,156.91, 274,813.27 and 70,915.97 is: 106,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,156.91 : 274,813.27 = 70,915.97 : x
  2. Step 2: Convert to fraction form
    183,156.91/274,813.27 = 70,915.97/x
  3. Step 3: Cross multiply
    183,156.91x = 274,813.27 × 70,915.97
  4. Step 4: Simplify right side
    183,156.91x = 19,488,650,120.67
  5. Step 5: Solve for x
    x = 19,488,650,120.67/183,156.91
  6. Step 6: Final answer
    x = 106,404.12

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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.