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Finding the Fourth Proportional to 68,545.81, 102,869.25 and 32,522.42

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Solution

The fourth proportional to 68,545.81, 102,869.25 and 32,522.42 is: 48,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,545.81 : 102,869.25 = 32,522.42 : x
  2. Step 2: Convert to fraction form
    68,545.81/102,869.25 = 32,522.42/x
  3. Step 3: Cross multiply
    68,545.81x = 102,869.25 × 32,522.42
  4. Step 4: Simplify right side
    68,545.81x = 3,345,556,959.55
  5. Step 5: Solve for x
    x = 3,345,556,959.55/68,545.81
  6. Step 6: Final answer
    x = 48,807.60

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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.