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Finding the Fourth Proportional to 226,794.94, 312,977.32 and 126,192.94

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Solution

The fourth proportional to 226,794.94, 312,977.32 and 126,192.94 is: 174,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,794.94 : 312,977.32 = 126,192.94 : x
  2. Step 2: Convert to fraction form
    226,794.94/312,977.32 = 126,192.94/x
  3. Step 3: Cross multiply
    226,794.94x = 312,977.32 × 126,192.94
  4. Step 4: Simplify right side
    226,794.94x = 39,495,527,066.20
  5. Step 5: Solve for x
    x = 39,495,527,066.20/226,794.94
  6. Step 6: Final answer
    x = 174,146.42

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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.