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Finding the Fourth Proportional to 119,801.53, 179,723.49 and 40,897.36

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Solution

The fourth proportional to 119,801.53, 179,723.49 and 40,897.36 is: 61,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,801.53 : 179,723.49 = 40,897.36 : x
  2. Step 2: Convert to fraction form
    119,801.53/179,723.49 = 40,897.36/x
  3. Step 3: Cross multiply
    119,801.53x = 179,723.49 × 40,897.36
  4. Step 4: Simplify right side
    119,801.53x = 7,350,216,270.99
  5. Step 5: Solve for x
    x = 7,350,216,270.99/119,801.53
  6. Step 6: Final answer
    x = 61,353.28

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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.