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Finding the Fourth Proportional to 168,966.56, 253,497.72 and 84,624.86

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Solution

The fourth proportional to 168,966.56, 253,497.72 and 84,624.86 is: 126,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,966.56 : 253,497.72 = 84,624.86 : x
  2. Step 2: Convert to fraction form
    168,966.56/253,497.72 = 84,624.86/x
  3. Step 3: Cross multiply
    168,966.56x = 253,497.72 × 84,624.86
  4. Step 4: Simplify right side
    168,966.56x = 21,452,209,065.32
  5. Step 5: Solve for x
    x = 21,452,209,065.32/168,966.56
  6. Step 6: Final answer
    x = 126,961.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.