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Finding the Fourth Proportional to 226,371.70, 312,372.61 and 124,395.94

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Solution

The fourth proportional to 226,371.70, 312,372.61 and 124,395.94 is: 171,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,371.70 : 312,372.61 = 124,395.94 : x
  2. Step 2: Convert to fraction form
    226,371.70/312,372.61 = 124,395.94/x
  3. Step 3: Cross multiply
    226,371.70x = 312,372.61 × 124,395.94
  4. Step 4: Simplify right side
    226,371.70x = 38,857,884,451.20
  5. Step 5: Solve for x
    x = 38,857,884,451.20/226,371.70
  6. Step 6: Final answer
    x = 171,655.22

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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.