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Finding the Fourth Proportional to 99,387.96, 149,107.86 and 37,059

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Solution

The fourth proportional to 99,387.96, 149,107.86 and 37,059 is: 55,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,387.96 : 149,107.86 = 37,059 : x
  2. Step 2: Convert to fraction form
    99,387.96/149,107.86 = 37,059/x
  3. Step 3: Cross multiply
    99,387.96x = 149,107.86 × 37,059
  4. Step 4: Simplify right side
    99,387.96x = 5,525,788,183.74
  5. Step 5: Solve for x
    x = 5,525,788,183.74/99,387.96
  6. Step 6: Final answer
    x = 55,598.16

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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.