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Finding the Fourth Proportional to 211,755.97, 317,566.51 and 69,568.24

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Solution

The fourth proportional to 211,755.97, 317,566.51 and 69,568.24 is: 104,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755.97 : 317,566.51 = 69,568.24 : x
  2. Step 2: Convert to fraction form
    211,755.97/317,566.51 = 69,568.24/x
  3. Step 3: Cross multiply
    211,755.97x = 317,566.51 × 69,568.24
  4. Step 4: Simplify right side
    211,755.97x = 22,092,543,183.64
  5. Step 5: Solve for x
    x = 22,092,543,183.64/211,755.97
  6. Step 6: Final answer
    x = 104,330.20

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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.