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Finding the Fourth Proportional to 144,908.73, 217,363.95 and 65,967.75

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Solution

The fourth proportional to 144,908.73, 217,363.95 and 65,967.75 is: 98,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,908.73 : 217,363.95 = 65,967.75 : x
  2. Step 2: Convert to fraction form
    144,908.73/217,363.95 = 65,967.75/x
  3. Step 3: Cross multiply
    144,908.73x = 217,363.95 × 65,967.75
  4. Step 4: Simplify right side
    144,908.73x = 14,339,010,712.61
  5. Step 5: Solve for x
    x = 14,339,010,712.61/144,908.73
  6. Step 6: Final answer
    x = 98,952.01

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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.