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Finding the Fourth Proportional to 70,249.50, 96,955.76 and 52,219.97

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Solution

The fourth proportional to 70,249.50, 96,955.76 and 52,219.97 is: 72,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,249.50 : 96,955.76 = 52,219.97 : x
  2. Step 2: Convert to fraction form
    70,249.50/96,955.76 = 52,219.97/x
  3. Step 3: Cross multiply
    70,249.50x = 96,955.76 × 52,219.97
  4. Step 4: Simplify right side
    70,249.50x = 5,063,026,132.65
  5. Step 5: Solve for x
    x = 5,063,026,132.65/70,249.50
  6. Step 6: Final answer
    x = 72,072.06

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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.