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Finding the Fourth Proportional to 79,086.62, 118,629.93 and 34,713.77

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Solution

The fourth proportional to 79,086.62, 118,629.93 and 34,713.77 is: 52,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,086.62 : 118,629.93 = 34,713.77 : x
  2. Step 2: Convert to fraction form
    79,086.62/118,629.93 = 34,713.77/x
  3. Step 3: Cross multiply
    79,086.62x = 118,629.93 × 34,713.77
  4. Step 4: Simplify right side
    79,086.62x = 4,118,091,642.16
  5. Step 5: Solve for x
    x = 4,118,091,642.16/79,086.62
  6. Step 6: Final answer
    x = 52,070.65

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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.