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Finding the Fourth Proportional to 227,712.90, 341,569.35 and 69,920.85

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Solution

The fourth proportional to 227,712.90, 341,569.35 and 69,920.85 is: 104,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,712.90 : 341,569.35 = 69,920.85 : x
  2. Step 2: Convert to fraction form
    227,712.90/341,569.35 = 69,920.85/x
  3. Step 3: Cross multiply
    227,712.90x = 341,569.35 × 69,920.85
  4. Step 4: Simplify right side
    227,712.90x = 23,882,819,285.95
  5. Step 5: Solve for x
    x = 23,882,819,285.95/227,712.90
  6. Step 6: Final answer
    x = 104,881.28

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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.