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Finding the Fourth Proportional to 202,201.71, 303,291.63 and 61,960.74

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Solution

The fourth proportional to 202,201.71, 303,291.63 and 61,960.74 is: 92,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,201.71 : 303,291.63 = 61,960.74 : x
  2. Step 2: Convert to fraction form
    202,201.71/303,291.63 = 61,960.74/x
  3. Step 3: Cross multiply
    202,201.71x = 303,291.63 × 61,960.74
  4. Step 4: Simplify right side
    202,201.71x = 18,792,173,830.61
  5. Step 5: Solve for x
    x = 18,792,173,830.61/202,201.71
  6. Step 6: Final answer
    x = 92,937.76

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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.