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Finding the Fourth Proportional to 144,065.62, 198,572.61 and 96,301.54

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Solution

The fourth proportional to 144,065.62, 198,572.61 and 96,301.54 is: 132,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.62 : 198,572.61 = 96,301.54 : x
  2. Step 2: Convert to fraction form
    144,065.62/198,572.61 = 96,301.54/x
  3. Step 3: Cross multiply
    144,065.62x = 198,572.61 × 96,301.54
  4. Step 4: Simplify right side
    144,065.62x = 19,122,848,144.82
  5. Step 5: Solve for x
    x = 19,122,848,144.82/144,065.62
  6. Step 6: Final answer
    x = 132,737.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.