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Finding the Fourth Proportional to 226,390.32, 339,741.47 and 93,270.78

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Solution

The fourth proportional to 226,390.32, 339,741.47 and 93,270.78 is: 139,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,390.32 : 339,741.47 = 93,270.78 : x
  2. Step 2: Convert to fraction form
    226,390.32/339,741.47 = 93,270.78/x
  3. Step 3: Cross multiply
    226,390.32x = 339,741.47 × 93,270.78
  4. Step 4: Simplify right side
    226,390.32x = 31,687,951,438.89
  5. Step 5: Solve for x
    x = 31,687,951,438.89/226,390.32
  6. Step 6: Final answer
    x = 139,970.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.