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Finding the Fourth Proportional to 227,412.98, 341,120.27 and 69,640.74

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Solution

The fourth proportional to 227,412.98, 341,120.27 and 69,640.74 is: 104,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,412.98 : 341,120.27 = 69,640.74 : x
  2. Step 2: Convert to fraction form
    227,412.98/341,120.27 = 69,640.74/x
  3. Step 3: Cross multiply
    227,412.98x = 341,120.27 × 69,640.74
  4. Step 4: Simplify right side
    227,412.98x = 23,755,868,031.80
  5. Step 5: Solve for x
    x = 23,755,868,031.80/227,412.98
  6. Step 6: Final answer
    x = 104,461.35

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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.