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Finding the Fourth Proportional to 227,206.21, 340,810.13 and 69,434.01

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Solution

The fourth proportional to 227,206.21, 340,810.13 and 69,434.01 is: 104,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,206.21 : 340,810.13 = 69,434.01 : x
  2. Step 2: Convert to fraction form
    227,206.21/340,810.13 = 69,434.01/x
  3. Step 3: Cross multiply
    227,206.21x = 340,810.13 × 69,434.01
  4. Step 4: Simplify right side
    227,206.21x = 23,663,813,974.52
  5. Step 5: Solve for x
    x = 23,663,813,974.52/227,206.21
  6. Step 6: Final answer
    x = 104,151.26

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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.