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Finding the Fourth Proportional to 250,084.44, 375,159.60 and 81,545.58

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Solution

The fourth proportional to 250,084.44, 375,159.60 and 81,545.58 is: 122,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,084.44 : 375,159.60 = 81,545.58 : x
  2. Step 2: Convert to fraction form
    250,084.44/375,159.60 = 81,545.58/x
  3. Step 3: Cross multiply
    250,084.44x = 375,159.60 × 81,545.58
  4. Step 4: Simplify right side
    250,084.44x = 30,592,607,174.57
  5. Step 5: Solve for x
    x = 30,592,607,174.57/250,084.44
  6. Step 6: Final answer
    x = 122,329.11

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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.