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Finding the Fourth Proportional to 79,224.96, 118,915.20 and 59,551.68

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Solution

The fourth proportional to 79,224.96, 118,915.20 and 59,551.68 is: 89,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.96 : 118,915.20 = 59,551.68 : x
  2. Step 2: Convert to fraction form
    79,224.96/118,915.20 = 59,551.68/x
  3. Step 3: Cross multiply
    79,224.96x = 118,915.20 × 59,551.68
  4. Step 4: Simplify right side
    79,224.96x = 7,081,599,937.54
  5. Step 5: Solve for x
    x = 7,081,599,937.54/79,224.96
  6. Step 6: Final answer
    x = 89,385.97

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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.