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Finding the Fourth Proportional to 161,569.54, 242,391.17 and 49,259.80

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Solution

The fourth proportional to 161,569.54, 242,391.17 and 49,259.80 is: 73,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,569.54 : 242,391.17 = 49,259.80 : x
  2. Step 2: Convert to fraction form
    161,569.54/242,391.17 = 49,259.80/x
  3. Step 3: Cross multiply
    161,569.54x = 242,391.17 × 49,259.80
  4. Step 4: Simplify right side
    161,569.54x = 11,940,140,555.97
  5. Step 5: Solve for x
    x = 11,940,140,555.97/161,569.54
  6. Step 6: Final answer
    x = 73,900.94

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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.