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Finding the Fourth Proportional to 79,314.96, 118,948.14 and 26,710.32

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Solution

The fourth proportional to 79,314.96, 118,948.14 and 26,710.32 is: 40,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,314.96 : 118,948.14 = 26,710.32 : x
  2. Step 2: Convert to fraction form
    79,314.96/118,948.14 = 26,710.32/x
  3. Step 3: Cross multiply
    79,314.96x = 118,948.14 × 26,710.32
  4. Step 4: Simplify right side
    79,314.96x = 3,177,142,882.80
  5. Step 5: Solve for x
    x = 3,177,142,882.80/79,314.96
  6. Step 6: Final answer
    x = 40,057.30

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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.