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Finding the Fourth Proportional to 180,915.52, 271,386.28 and 47,794.04

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Solution

The fourth proportional to 180,915.52, 271,386.28 and 47,794.04 is: 71,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,915.52 : 271,386.28 = 47,794.04 : x
  2. Step 2: Convert to fraction form
    180,915.52/271,386.28 = 47,794.04/x
  3. Step 3: Cross multiply
    180,915.52x = 271,386.28 × 47,794.04
  4. Step 4: Simplify right side
    180,915.52x = 12,970,646,721.77
  5. Step 5: Solve for x
    x = 12,970,646,721.77/180,915.52
  6. Step 6: Final answer
    x = 71,694.49

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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.