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Finding the Fourth Proportional to 201,767.60, 302,627.10 and 83,426.60

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Solution

The fourth proportional to 201,767.60, 302,627.10 and 83,426.60 is: 125,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,767.60 : 302,627.10 = 83,426.60 : x
  2. Step 2: Convert to fraction form
    201,767.60/302,627.10 = 83,426.60/x
  3. Step 3: Cross multiply
    201,767.60x = 302,627.10 × 83,426.60
  4. Step 4: Simplify right side
    201,767.60x = 25,247,150,020.86
  5. Step 5: Solve for x
    x = 25,247,150,020.86/201,767.60
  6. Step 6: Final answer
    x = 125,129.85

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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.