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Finding the Fourth Proportional to 88,626.38, 122,304.40 and 65,984.85

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Solution

The fourth proportional to 88,626.38, 122,304.40 and 65,984.85 is: 91,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,626.38 : 122,304.40 = 65,984.85 : x
  2. Step 2: Convert to fraction form
    88,626.38/122,304.40 = 65,984.85/x
  3. Step 3: Cross multiply
    88,626.38x = 122,304.40 × 65,984.85
  4. Step 4: Simplify right side
    88,626.38x = 8,070,237,323.38
  5. Step 5: Solve for x
    x = 8,070,237,323.38/88,626.38
  6. Step 6: Final answer
    x = 91,059.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.