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Finding the Fourth Proportional to 101,395.80, 152,079.90 and 26,521.80

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Solution

The fourth proportional to 101,395.80, 152,079.90 and 26,521.80 is: 39,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,395.80 : 152,079.90 = 26,521.80 : x
  2. Step 2: Convert to fraction form
    101,395.80/152,079.90 = 26,521.80/x
  3. Step 3: Cross multiply
    101,395.80x = 152,079.90 × 26,521.80
  4. Step 4: Simplify right side
    101,395.80x = 4,033,432,691.82
  5. Step 5: Solve for x
    x = 4,033,432,691.82/101,395.80
  6. Step 6: Final answer
    x = 39,779.09

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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.