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Finding the Fourth Proportional to 202,111.71, 303,115.86 and 59,923.74

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Solution

The fourth proportional to 202,111.71, 303,115.86 and 59,923.74 is: 89,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,111.71 : 303,115.86 = 59,923.74 : x
  2. Step 2: Convert to fraction form
    202,111.71/303,115.86 = 59,923.74/x
  3. Step 3: Cross multiply
    202,111.71x = 303,115.86 × 59,923.74
  4. Step 4: Simplify right side
    202,111.71x = 18,163,835,380.91
  5. Step 5: Solve for x
    x = 18,163,835,380.91/202,111.71
  6. Step 6: Final answer
    x = 89,870.28

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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.