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Finding the Fourth Proportional to 96,306.60, 133,035.30 and 87,364.20

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Solution

The fourth proportional to 96,306.60, 133,035.30 and 87,364.20 is: 120,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,306.60 : 133,035.30 = 87,364.20 : x
  2. Step 2: Convert to fraction form
    96,306.60/133,035.30 = 87,364.20/x
  3. Step 3: Cross multiply
    96,306.60x = 133,035.30 × 87,364.20
  4. Step 4: Simplify right side
    96,306.60x = 11,622,522,556.26
  5. Step 5: Solve for x
    x = 11,622,522,556.26/96,306.60
  6. Step 6: Final answer
    x = 120,682.51

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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.