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Finding the Fourth Proportional to 179,681.80, 269,717.10 and 100,949.80

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Solution

The fourth proportional to 179,681.80, 269,717.10 and 100,949.80 is: 151,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,681.80 : 269,717.10 = 100,949.80 : x
  2. Step 2: Convert to fraction form
    179,681.80/269,717.10 = 100,949.80/x
  3. Step 3: Cross multiply
    179,681.80x = 269,717.10 × 100,949.80
  4. Step 4: Simplify right side
    179,681.80x = 27,227,887,301.58
  5. Step 5: Solve for x
    x = 27,227,887,301.58/179,681.80
  6. Step 6: Final answer
    x = 151,533.92

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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.