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Finding the Fourth Proportional to 79,225.38, 118,857.56 and 23,065.98

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Solution

The fourth proportional to 79,225.38, 118,857.56 and 23,065.98 is: 34,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.38 : 118,857.56 = 23,065.98 : x
  2. Step 2: Convert to fraction form
    79,225.38/118,857.56 = 23,065.98/x
  3. Step 3: Cross multiply
    79,225.38x = 118,857.56 × 23,065.98
  4. Step 4: Simplify right side
    79,225.38x = 2,741,566,101.81
  5. Step 5: Solve for x
    x = 2,741,566,101.81/79,225.38
  6. Step 6: Final answer
    x = 34,604.64

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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.