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Finding the Fourth Proportional to 144,273.96, 215,869.66 and 119,325.76

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Solution

The fourth proportional to 144,273.96, 215,869.66 and 119,325.76 is: 178,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,273.96 : 215,869.66 = 119,325.76 : x
  2. Step 2: Convert to fraction form
    144,273.96/215,869.66 = 119,325.76/x
  3. Step 3: Cross multiply
    144,273.96x = 215,869.66 × 119,325.76
  4. Step 4: Simplify right side
    144,273.96x = 25,758,810,402.45
  5. Step 5: Solve for x
    x = 25,758,810,402.45/144,273.96
  6. Step 6: Final answer
    x = 178,540.95

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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.