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Finding the Fourth Proportional to 79,895.70, 119,801.70 and 23,728.14

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Solution

The fourth proportional to 79,895.70, 119,801.70 and 23,728.14 is: 35,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,895.70 : 119,801.70 = 23,728.14 : x
  2. Step 2: Convert to fraction form
    79,895.70/119,801.70 = 23,728.14/x
  3. Step 3: Cross multiply
    79,895.70x = 119,801.70 × 23,728.14
  4. Step 4: Simplify right side
    79,895.70x = 2,842,671,509.84
  5. Step 5: Solve for x
    x = 2,842,671,509.84/79,895.70
  6. Step 6: Final answer
    x = 35,579.78

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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.