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Finding the Fourth Proportional to 70,082.54, 96,763.97 and 43,261.46

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Solution

The fourth proportional to 70,082.54, 96,763.97 and 43,261.46 is: 59,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,082.54 : 96,763.97 = 43,261.46 : x
  2. Step 2: Convert to fraction form
    70,082.54/96,763.97 = 43,261.46/x
  3. Step 3: Cross multiply
    70,082.54x = 96,763.97 × 43,261.46
  4. Step 4: Simplify right side
    70,082.54x = 4,186,150,401.29
  5. Step 5: Solve for x
    x = 4,186,150,401.29/70,082.54
  6. Step 6: Final answer
    x = 59,731.72

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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.