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Finding the Fourth Proportional to 99,226.65, 148,788.95 and 29,096.85

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Solution

The fourth proportional to 99,226.65, 148,788.95 and 29,096.85 is: 43,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.65 : 148,788.95 = 29,096.85 : x
  2. Step 2: Convert to fraction form
    99,226.65/148,788.95 = 29,096.85/x
  3. Step 3: Cross multiply
    99,226.65x = 148,788.95 × 29,096.85
  4. Step 4: Simplify right side
    99,226.65x = 4,329,289,614.32
  5. Step 5: Solve for x
    x = 4,329,289,614.32/99,226.65
  6. Step 6: Final answer
    x = 43,630.31

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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.