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Finding the Fourth Proportional to 226,562.56, 312,664.36 and 124,595.78

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Solution

The fourth proportional to 226,562.56, 312,664.36 and 124,595.78 is: 171,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,562.56 : 312,664.36 = 124,595.78 : x
  2. Step 2: Convert to fraction form
    226,562.56/312,664.36 = 124,595.78/x
  3. Step 3: Cross multiply
    226,562.56x = 312,664.36 × 124,595.78
  4. Step 4: Simplify right side
    226,562.56x = 38,956,659,812.40
  5. Step 5: Solve for x
    x = 38,956,659,812.40/226,562.56
  6. Step 6: Final answer
    x = 171,946.59

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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.