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Finding the Fourth Proportional to 202,215.90, 303,323.85 and 170,723.10

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Solution

The fourth proportional to 202,215.90, 303,323.85 and 170,723.10 is: 256,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.90 : 303,323.85 = 170,723.10 : x
  2. Step 2: Convert to fraction form
    202,215.90/303,323.85 = 170,723.10/x
  3. Step 3: Cross multiply
    202,215.90x = 303,323.85 × 170,723.10
  4. Step 4: Simplify right side
    202,215.90x = 51,784,387,975.94
  5. Step 5: Solve for x
    x = 51,784,387,975.94/202,215.90
  6. Step 6: Final answer
    x = 256,084.65

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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.