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Finding the Fourth Proportional to 227,624.70, 341,437.05 and 147,908.55

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Solution

The fourth proportional to 227,624.70, 341,437.05 and 147,908.55 is: 221,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,624.70 : 341,437.05 = 147,908.55 : x
  2. Step 2: Convert to fraction form
    227,624.70/341,437.05 = 147,908.55/x
  3. Step 3: Cross multiply
    227,624.70x = 341,437.05 × 147,908.55
  4. Step 4: Simplify right side
    227,624.70x = 50,501,458,981.78
  5. Step 5: Solve for x
    x = 50,501,458,981.78/227,624.70
  6. Step 6: Final answer
    x = 221,862.83

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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.