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Finding the Fourth Proportional to 202,087.42, 302,933.08 and 172,169.26

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Solution

The fourth proportional to 202,087.42, 302,933.08 and 172,169.26 is: 258,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,087.42 : 302,933.08 = 172,169.26 : x
  2. Step 2: Convert to fraction form
    202,087.42/302,933.08 = 172,169.26/x
  3. Step 3: Cross multiply
    202,087.42x = 302,933.08 × 172,169.26
  4. Step 4: Simplify right side
    202,087.42x = 52,155,764,213.12
  5. Step 5: Solve for x
    x = 52,155,764,213.12/202,087.42
  6. Step 6: Final answer
    x = 258,085.16

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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.