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Finding the Fourth Proportional to 106,658.34, 159,987.52 and 27,772.34

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Solution

The fourth proportional to 106,658.34, 159,987.52 and 27,772.34 is: 41,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,658.34 : 159,987.52 = 27,772.34 : x
  2. Step 2: Convert to fraction form
    106,658.34/159,987.52 = 27,772.34/x
  3. Step 3: Cross multiply
    106,658.34x = 159,987.52 × 27,772.34
  4. Step 4: Simplify right side
    106,658.34x = 4,443,227,801.20
  5. Step 5: Solve for x
    x = 4,443,227,801.20/106,658.34
  6. Step 6: Final answer
    x = 41,658.51

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1.5x scale

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.