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Finding the Fourth Proportional to 202,165.59, 303,244.25 and 89,815.35

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Solution

The fourth proportional to 202,165.59, 303,244.25 and 89,815.35 is: 134,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,165.59 : 303,244.25 = 89,815.35 : x
  2. Step 2: Convert to fraction form
    202,165.59/303,244.25 = 89,815.35/x
  3. Step 3: Cross multiply
    202,165.59x = 303,244.25 × 89,815.35
  4. Step 4: Simplify right side
    202,165.59x = 27,235,988,000.16
  5. Step 5: Solve for x
    x = 27,235,988,000.16/202,165.59
  6. Step 6: Final answer
    x = 134,721.19

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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.