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Finding the Fourth Proportional to 99,193.80, 148,791.91 and 29,074.53

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Solution

The fourth proportional to 99,193.80, 148,791.91 and 29,074.53 is: 43,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,193.80 : 148,791.91 = 29,074.53 : x
  2. Step 2: Convert to fraction form
    99,193.80/148,791.91 = 29,074.53/x
  3. Step 3: Cross multiply
    99,193.80x = 148,791.91 × 29,074.53
  4. Step 4: Simplify right side
    99,193.80x = 4,326,054,851.05
  5. Step 5: Solve for x
    x = 4,326,054,851.05/99,193.80
  6. Step 6: Final answer
    x = 43,612.15

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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.