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Finding the Fourth Proportional to 72,995.97, 100,717.18 and 44,314.89

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Solution

The fourth proportional to 72,995.97, 100,717.18 and 44,314.89 is: 61,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,995.97 : 100,717.18 = 44,314.89 : x
  2. Step 2: Convert to fraction form
    72,995.97/100,717.18 = 44,314.89/x
  3. Step 3: Cross multiply
    72,995.97x = 100,717.18 × 44,314.89
  4. Step 4: Simplify right side
    72,995.97x = 4,463,270,752.81
  5. Step 5: Solve for x
    x = 4,463,270,752.81/72,995.97
  6. Step 6: Final answer
    x = 61,144.07

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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.