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Finding the Fourth Proportional to 79,306.95, 118,898.03 and 39,298.44

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Solution

The fourth proportional to 79,306.95, 118,898.03 and 39,298.44 is: 58,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.95 : 118,898.03 = 39,298.44 : x
  2. Step 2: Convert to fraction form
    79,306.95/118,898.03 = 39,298.44/x
  3. Step 3: Cross multiply
    79,306.95x = 118,898.03 × 39,298.44
  4. Step 4: Simplify right side
    79,306.95x = 4,672,507,642.19
  5. Step 5: Solve for x
    x = 4,672,507,642.19/79,306.95
  6. Step 6: Final answer
    x = 58,916.75

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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.