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Finding the Fourth Proportional to 202,111.65, 303,115.76 and 59,923.68

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Solution

The fourth proportional to 202,111.65, 303,115.76 and 59,923.68 is: 89,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,111.65 : 303,115.76 = 59,923.68 : x
  2. Step 2: Convert to fraction form
    202,111.65/303,115.76 = 59,923.68/x
  3. Step 3: Cross multiply
    202,111.65x = 303,115.76 × 59,923.68
  4. Step 4: Simplify right side
    202,111.65x = 18,163,811,197.22
  5. Step 5: Solve for x
    x = 18,163,811,197.22/202,111.65
  6. Step 6: Final answer
    x = 89,870.18

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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.