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Finding the Fourth Proportional to 201,908.30, 302,753.10 and 83,591.60

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Solution

The fourth proportional to 201,908.30, 302,753.10 and 83,591.60 is: 125,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,908.30 : 302,753.10 = 83,591.60 : x
  2. Step 2: Convert to fraction form
    201,908.30/302,753.10 = 83,591.60/x
  3. Step 3: Cross multiply
    201,908.30x = 302,753.10 × 83,591.60
  4. Step 4: Simplify right side
    201,908.30x = 25,307,616,033.96
  5. Step 5: Solve for x
    x = 25,307,616,033.96/201,908.30
  6. Step 6: Final answer
    x = 125,342.13

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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.