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Finding the Fourth Proportional to 202,201.30, 303,301.95 and 69,061.60

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Solution

The fourth proportional to 202,201.30, 303,301.95 and 69,061.60 is: 103,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,201.30 : 303,301.95 = 69,061.60 : x
  2. Step 2: Convert to fraction form
    202,201.30/303,301.95 = 69,061.60/x
  3. Step 3: Cross multiply
    202,201.30x = 303,301.95 × 69,061.60
  4. Step 4: Simplify right side
    202,201.30x = 20,946,517,950.12
  5. Step 5: Solve for x
    x = 20,946,517,950.12/202,201.30
  6. Step 6: Final answer
    x = 103,592.40

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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.