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Finding the Fourth Proportional to 226,395.32, 339,748.98 and 93,275.78

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Solution

The fourth proportional to 226,395.32, 339,748.98 and 93,275.78 is: 139,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,395.32 : 339,748.98 = 93,275.78 : x
  2. Step 2: Convert to fraction form
    226,395.32/339,748.98 = 93,275.78/x
  3. Step 3: Cross multiply
    226,395.32x = 339,748.98 × 93,275.78
  4. Step 4: Simplify right side
    226,395.32x = 31,690,351,113.70
  5. Step 5: Solve for x
    x = 31,690,351,113.70/226,395.32
  6. Step 6: Final answer
    x = 139,977.94

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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.