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Finding the Fourth Proportional to 199,575.75, 299,494.85 and 74,916.75

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Solution

The fourth proportional to 199,575.75, 299,494.85 and 74,916.75 is: 112,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,575.75 : 299,494.85 = 74,916.75 : x
  2. Step 2: Convert to fraction form
    199,575.75/299,494.85 = 74,916.75/x
  3. Step 3: Cross multiply
    199,575.75x = 299,494.85 × 74,916.75
  4. Step 4: Simplify right side
    199,575.75x = 22,437,180,429.15
  5. Step 5: Solve for x
    x = 22,437,180,429.15/199,575.75
  6. Step 6: Final answer
    x = 112,424.38

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1.5x scale

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.