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Finding the Fourth Proportional to 200,510.60, 300,773.16 and 67,395.20

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Solution

The fourth proportional to 200,510.60, 300,773.16 and 67,395.20 is: 101,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,510.60 : 300,773.16 = 67,395.20 : x
  2. Step 2: Convert to fraction form
    200,510.60/300,773.16 = 67,395.20/x
  3. Step 3: Cross multiply
    200,510.60x = 300,773.16 × 67,395.20
  4. Step 4: Simplify right side
    200,510.60x = 20,270,667,272.83
  5. Step 5: Solve for x
    x = 20,270,667,272.83/200,510.60
  6. Step 6: Final answer
    x = 101,095.24

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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.