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Finding the Fourth Proportional to 183,545.13, 275,264.42 and 76,926.29

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Solution

The fourth proportional to 183,545.13, 275,264.42 and 76,926.29 is: 115,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,545.13 : 275,264.42 = 76,926.29 : x
  2. Step 2: Convert to fraction form
    183,545.13/275,264.42 = 76,926.29/x
  3. Step 3: Cross multiply
    183,545.13x = 275,264.42 × 76,926.29
  4. Step 4: Simplify right side
    183,545.13x = 21,175,068,838.65
  5. Step 5: Solve for x
    x = 21,175,068,838.65/183,545.13
  6. Step 6: Final answer
    x = 115,367.10

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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.