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Finding the Fourth Proportional to 101,666.20, 152,499.30 and 27,794.20

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Solution

The fourth proportional to 101,666.20, 152,499.30 and 27,794.20 is: 41,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,666.20 : 152,499.30 = 27,794.20 : x
  2. Step 2: Convert to fraction form
    101,666.20/152,499.30 = 27,794.20/x
  3. Step 3: Cross multiply
    101,666.20x = 152,499.30 × 27,794.20
  4. Step 4: Simplify right side
    101,666.20x = 4,238,596,044.06
  5. Step 5: Solve for x
    x = 4,238,596,044.06/101,666.20
  6. Step 6: Final answer
    x = 41,691.30

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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.