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Finding the Fourth Proportional to 227,087.70, 340,339.95 and 108,503.70

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Solution

The fourth proportional to 227,087.70, 340,339.95 and 108,503.70 is: 162,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,087.70 : 340,339.95 = 108,503.70 : x
  2. Step 2: Convert to fraction form
    227,087.70/340,339.95 = 108,503.70/x
  3. Step 3: Cross multiply
    227,087.70x = 340,339.95 × 108,503.70
  4. Step 4: Simplify right side
    227,087.70x = 36,928,143,832.82
  5. Step 5: Solve for x
    x = 36,928,143,832.82/227,087.70
  6. Step 6: Final answer
    x = 162,616.22

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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.