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Finding the Fourth Proportional to 203,079.04, 280,249.04 and 113,655.04

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Solution

The fourth proportional to 203,079.04, 280,249.04 and 113,655.04 is: 156,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,079.04 : 280,249.04 = 113,655.04 : x
  2. Step 2: Convert to fraction form
    203,079.04/280,249.04 = 113,655.04/x
  3. Step 3: Cross multiply
    203,079.04x = 280,249.04 × 113,655.04
  4. Step 4: Simplify right side
    203,079.04x = 31,851,715,851.16
  5. Step 5: Solve for x
    x = 31,851,715,851.16/203,079.04
  6. Step 6: Final answer
    x = 156,843.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.