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Finding the Fourth Proportional to 51,656.60, 77,339.10 and 50,198.60

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Solution

The fourth proportional to 51,656.60, 77,339.10 and 50,198.60 is: 75,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,656.60 : 77,339.10 = 50,198.60 : x
  2. Step 2: Convert to fraction form
    51,656.60/77,339.10 = 50,198.60/x
  3. Step 3: Cross multiply
    51,656.60x = 77,339.10 × 50,198.60
  4. Step 4: Simplify right side
    51,656.60x = 3,882,314,545.26
  5. Step 5: Solve for x
    x = 3,882,314,545.26/51,656.60
  6. Step 6: Final answer
    x = 75,156.22

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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.