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Finding the Fourth Proportional to 170,700.62, 255,968.71 and 99,644.18

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Solution

The fourth proportional to 170,700.62, 255,968.71 and 99,644.18 is: 149,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,700.62 : 255,968.71 = 99,644.18 : x
  2. Step 2: Convert to fraction form
    170,700.62/255,968.71 = 99,644.18/x
  3. Step 3: Cross multiply
    170,700.62x = 255,968.71 × 99,644.18
  4. Step 4: Simplify right side
    170,700.62x = 25,505,790,684.65
  5. Step 5: Solve for x
    x = 25,505,790,684.65/170,700.62
  6. Step 6: Final answer
    x = 149,418.27

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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.