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Finding the Fourth Proportional to 226,251.29, 312,212.98 and 124,256.90

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Solution

The fourth proportional to 226,251.29, 312,212.98 and 124,256.90 is: 171,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,251.29 : 312,212.98 = 124,256.90 : x
  2. Step 2: Convert to fraction form
    226,251.29/312,212.98 = 124,256.90/x
  3. Step 3: Cross multiply
    226,251.29x = 312,212.98 × 124,256.90
  4. Step 4: Simplify right side
    226,251.29x = 38,794,617,970.42
  5. Step 5: Solve for x
    x = 38,794,617,970.42/226,251.29
  6. Step 6: Final answer
    x = 171,466.95

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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.