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Finding the Fourth Proportional to 79,166.52, 118,750.01 and 19,194.76

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Solution

The fourth proportional to 79,166.52, 118,750.01 and 19,194.76 is: 28,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.52 : 118,750.01 = 19,194.76 : x
  2. Step 2: Convert to fraction form
    79,166.52/118,750.01 = 19,194.76/x
  3. Step 3: Cross multiply
    79,166.52x = 118,750.01 × 19,194.76
  4. Step 4: Simplify right side
    79,166.52x = 2,279,377,252.22
  5. Step 5: Solve for x
    x = 2,279,377,252.22/79,166.52
  6. Step 6: Final answer
    x = 28,792.19

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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.