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Finding the Fourth Proportional to 70,186.38, 96,959.64 and 60,738.54

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Solution

The fourth proportional to 70,186.38, 96,959.64 and 60,738.54 is: 83,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,186.38 : 96,959.64 = 60,738.54 : x
  2. Step 2: Convert to fraction form
    70,186.38/96,959.64 = 60,738.54/x
  3. Step 3: Cross multiply
    70,186.38x = 96,959.64 × 60,738.54
  4. Step 4: Simplify right side
    70,186.38x = 5,889,186,972.53
  5. Step 5: Solve for x
    x = 5,889,186,972.53/70,186.38
  6. Step 6: Final answer
    x = 83,907.83

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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.