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Finding the Fourth Proportional to 202,167.20, 302,716.20 and 161,999.30

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Solution

The fourth proportional to 202,167.20, 302,716.20 and 161,999.30 is: 242,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,167.20 : 302,716.20 = 161,999.30 : x
  2. Step 2: Convert to fraction form
    202,167.20/302,716.20 = 161,999.30/x
  3. Step 3: Cross multiply
    202,167.20x = 302,716.20 × 161,999.30
  4. Step 4: Simplify right side
    202,167.20x = 49,039,812,498.66
  5. Step 5: Solve for x
    x = 49,039,812,498.66/202,167.20
  6. Step 6: Final answer
    x = 242,570.57

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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.