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Finding the Fourth Proportional to 79,244.54, 118,750.16 and 34,830.62

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Solution

The fourth proportional to 79,244.54, 118,750.16 and 34,830.62 is: 52,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.54 : 118,750.16 = 34,830.62 : x
  2. Step 2: Convert to fraction form
    79,244.54/118,750.16 = 34,830.62/x
  3. Step 3: Cross multiply
    79,244.54x = 118,750.16 × 34,830.62
  4. Step 4: Simplify right side
    79,244.54x = 4,136,141,191.22
  5. Step 5: Solve for x
    x = 4,136,141,191.22/79,244.54
  6. Step 6: Final answer
    x = 52,194.66

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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.