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Finding the Fourth Proportional to 99,317.89, 148,929.99 and 36,093.55

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Solution

The fourth proportional to 99,317.89, 148,929.99 and 36,093.55 is: 54,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317.89 : 148,929.99 = 36,093.55 : x
  2. Step 2: Convert to fraction form
    99,317.89/148,929.99 = 36,093.55/x
  3. Step 3: Cross multiply
    99,317.89x = 148,929.99 × 36,093.55
  4. Step 4: Simplify right side
    99,317.89x = 5,375,412,040.56
  5. Step 5: Solve for x
    x = 5,375,412,040.56/99,317.89
  6. Step 6: Final answer
    x = 54,123.30

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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.