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Finding the Fourth Proportional to 79,287.97, 118,698.67 and 52,927.33

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Solution

The fourth proportional to 79,287.97, 118,698.67 and 52,927.33 is: 79,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,287.97 : 118,698.67 = 52,927.33 : x
  2. Step 2: Convert to fraction form
    79,287.97/118,698.67 = 52,927.33/x
  3. Step 3: Cross multiply
    79,287.97x = 118,698.67 × 52,927.33
  4. Step 4: Simplify right side
    79,287.97x = 6,282,402,819.52
  5. Step 5: Solve for x
    x = 6,282,402,819.52/79,287.97
  6. Step 6: Final answer
    x = 79,235.26

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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.