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Finding the Fourth Proportional to 88,183.65, 121,700.96 and 49,950.02

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Solution

The fourth proportional to 88,183.65, 121,700.96 and 49,950.02 is: 68,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.65 : 121,700.96 = 49,950.02 : x
  2. Step 2: Convert to fraction form
    88,183.65/121,700.96 = 49,950.02/x
  3. Step 3: Cross multiply
    88,183.65x = 121,700.96 × 49,950.02
  4. Step 4: Simplify right side
    88,183.65x = 6,078,964,527.76
  5. Step 5: Solve for x
    x = 6,078,964,527.76/88,183.65
  6. Step 6: Final answer
    x = 68,935.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.