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Finding the Fourth Proportional to 79,123.67, 118,666.87 and 22,948.95

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Solution

The fourth proportional to 79,123.67, 118,666.87 and 22,948.95 is: 34,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,123.67 : 118,666.87 = 22,948.95 : x
  2. Step 2: Convert to fraction form
    79,123.67/118,666.87 = 22,948.95/x
  3. Step 3: Cross multiply
    79,123.67x = 118,666.87 × 22,948.95
  4. Step 4: Simplify right side
    79,123.67x = 2,723,280,583.00
  5. Step 5: Solve for x
    x = 2,723,280,583.00/79,123.67
  6. Step 6: Final answer
    x = 34,418.03

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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.