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Finding the Fourth Proportional to 79,798.75, 119,715.62 and 23,643.27

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Solution

The fourth proportional to 79,798.75, 119,715.62 and 23,643.27 is: 35,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.75 : 119,715.62 = 23,643.27 : x
  2. Step 2: Convert to fraction form
    79,798.75/119,715.62 = 23,643.27/x
  3. Step 3: Cross multiply
    79,798.75x = 119,715.62 × 23,643.27
  4. Step 4: Simplify right side
    79,798.75x = 2,830,468,608.66
  5. Step 5: Solve for x
    x = 2,830,468,608.66/79,798.75
  6. Step 6: Final answer
    x = 35,470.09

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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.