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Finding the Fourth Proportional to 79,437, 119,171.91 and 23,278.94

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Solution

The fourth proportional to 79,437, 119,171.91 and 23,278.94 is: 34,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437 : 119,171.91 = 23,278.94 : x
  2. Step 2: Convert to fraction form
    79,437/119,171.91 = 23,278.94/x
  3. Step 3: Cross multiply
    79,437x = 119,171.91 × 23,278.94
  4. Step 4: Simplify right side
    79,437x = 2,774,195,626.18
  5. Step 5: Solve for x
    x = 2,774,195,626.18/79,437
  6. Step 6: Final answer
    x = 34,923.22

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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.