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Finding the Fourth Proportional to 226,356.94, 312,371.54 and 124,388.74

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Solution

The fourth proportional to 226,356.94, 312,371.54 and 124,388.74 is: 171,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,356.94 : 312,371.54 = 124,388.74 : x
  2. Step 2: Convert to fraction form
    226,356.94/312,371.54 = 124,388.74/x
  3. Step 3: Cross multiply
    226,356.94x = 312,371.54 × 124,388.74
  4. Step 4: Simplify right side
    226,356.94x = 38,855,501,650.52
  5. Step 5: Solve for x
    x = 38,855,501,650.52/226,356.94
  6. Step 6: Final answer
    x = 171,655.89

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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.