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Finding the Fourth Proportional to 79,034.68, 118,584.06 and 34,638.04

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Solution

The fourth proportional to 79,034.68, 118,584.06 and 34,638.04 is: 51,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034.68 : 118,584.06 = 34,638.04 : x
  2. Step 2: Convert to fraction form
    79,034.68/118,584.06 = 34,638.04/x
  3. Step 3: Cross multiply
    79,034.68x = 118,584.06 × 34,638.04
  4. Step 4: Simplify right side
    79,034.68x = 4,107,519,413.64
  5. Step 5: Solve for x
    x = 4,107,519,413.64/79,034.68
  6. Step 6: Final answer
    x = 51,971.10

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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.