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Finding the Fourth Proportional to 202,229.70, 303,344.55 and 61,970.10

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Solution

The fourth proportional to 202,229.70, 303,344.55 and 61,970.10 is: 92,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,229.70 : 303,344.55 = 61,970.10 : x
  2. Step 2: Convert to fraction form
    202,229.70/303,344.55 = 61,970.10/x
  3. Step 3: Cross multiply
    202,229.70x = 303,344.55 × 61,970.10
  4. Step 4: Simplify right side
    202,229.70x = 18,798,292,097.96
  5. Step 5: Solve for x
    x = 18,798,292,097.96/202,229.70
  6. Step 6: Final answer
    x = 92,955.15

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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.