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Finding the Fourth Proportional to 70,194.57, 96,624.41 and 61,226.45

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Solution

The fourth proportional to 70,194.57, 96,624.41 and 61,226.45 is: 84,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.57 : 96,624.41 = 61,226.45 : x
  2. Step 2: Convert to fraction form
    70,194.57/96,624.41 = 61,226.45/x
  3. Step 3: Cross multiply
    70,194.57x = 96,624.41 × 61,226.45
  4. Step 4: Simplify right side
    70,194.57x = 5,915,969,543.07
  5. Step 5: Solve for x
    x = 5,915,969,543.07/70,194.57
  6. Step 6: Final answer
    x = 84,279.59

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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.