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Finding the Fourth Proportional to 72,624.75, 108,937.13 and 23,376.75

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Solution

The fourth proportional to 72,624.75, 108,937.13 and 23,376.75 is: 35,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.75 : 108,937.13 = 23,376.75 : x
  2. Step 2: Convert to fraction form
    72,624.75/108,937.13 = 23,376.75/x
  3. Step 3: Cross multiply
    72,624.75x = 108,937.13 × 23,376.75
  4. Step 4: Simplify right side
    72,624.75x = 2,546,595,936.84
  5. Step 5: Solve for x
    x = 2,546,595,936.84/72,624.75
  6. Step 6: Final answer
    x = 35,065.13

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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.