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Finding the Fourth Proportional to 144,362.99, 216,581.85 and 44,520.97

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Solution

The fourth proportional to 144,362.99, 216,581.85 and 44,520.97 is: 66,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,362.99 : 216,581.85 = 44,520.97 : x
  2. Step 2: Convert to fraction form
    144,362.99/216,581.85 = 44,520.97/x
  3. Step 3: Cross multiply
    144,362.99x = 216,581.85 × 44,520.97
  4. Step 4: Simplify right side
    144,362.99x = 9,642,434,046.39
  5. Step 5: Solve for x
    x = 9,642,434,046.39/144,362.99
  6. Step 6: Final answer
    x = 66,792.98

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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.