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Finding the Fourth Proportional to 226,420.92, 312,461.12 and 124,446.35

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Solution

The fourth proportional to 226,420.92, 312,461.12 and 124,446.35 is: 171,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,420.92 : 312,461.12 = 124,446.35 : x
  2. Step 2: Convert to fraction form
    226,420.92/312,461.12 = 124,446.35/x
  3. Step 3: Cross multiply
    226,420.92x = 312,461.12 × 124,446.35
  4. Step 4: Simplify right side
    226,420.92x = 38,884,643,716.37
  5. Step 5: Solve for x
    x = 38,884,643,716.37/226,420.92
  6. Step 6: Final answer
    x = 171,736.09

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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.