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Finding the Fourth Proportional to 227,168.64, 313,494.86 and 125,197.77

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Solution

The fourth proportional to 227,168.64, 313,494.86 and 125,197.77 is: 172,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,168.64 : 313,494.86 = 125,197.77 : x
  2. Step 2: Convert to fraction form
    227,168.64/313,494.86 = 125,197.77/x
  3. Step 3: Cross multiply
    227,168.64x = 313,494.86 × 125,197.77
  4. Step 4: Simplify right side
    227,168.64x = 39,248,856,752.47
  5. Step 5: Solve for x
    x = 39,248,856,752.47/227,168.64
  6. Step 6: Final answer
    x = 172,774.10

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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.