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Finding the Fourth Proportional to 96,618.40, 135,404 and 96,618.40

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Solution

The fourth proportional to 96,618.40, 135,404 and 96,618.40 is: 135,404

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,618.40 : 135,404 = 96,618.40 : x
  2. Step 2: Convert to fraction form
    96,618.40/135,404 = 96,618.40/x
  3. Step 3: Cross multiply
    96,618.40x = 135,404 × 96,618.40
  4. Step 4: Simplify right side
    96,618.40x = 13,082,517,833.60
  5. Step 5: Solve for x
    x = 13,082,517,833.60/96,618.40
  6. Step 6: Final answer
    x = 135,404

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.