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Finding the Fourth Proportional to 230,163.52, 317,613.28 and 126,794.32

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Solution

The fourth proportional to 230,163.52, 317,613.28 and 126,794.32 is: 174,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,163.52 : 317,613.28 = 126,794.32 : x
  2. Step 2: Convert to fraction form
    230,163.52/317,613.28 = 126,794.32/x
  3. Step 3: Cross multiply
    230,163.52x = 317,613.28 × 126,794.32
  4. Step 4: Simplify right side
    230,163.52x = 40,271,559,860.57
  5. Step 5: Solve for x
    x = 40,271,559,860.57/230,163.52
  6. Step 6: Final answer
    x = 174,969.34

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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.