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Finding the Fourth Proportional to 227,712.70, 341,569.05 and 69,940.90

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Solution

The fourth proportional to 227,712.70, 341,569.05 and 69,940.90 is: 104,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,712.70 : 341,569.05 = 69,940.90 : x
  2. Step 2: Convert to fraction form
    227,712.70/341,569.05 = 69,940.90/x
  3. Step 3: Cross multiply
    227,712.70x = 341,569.05 × 69,940.90
  4. Step 4: Simplify right side
    227,712.70x = 23,889,646,769.15
  5. Step 5: Solve for x
    x = 23,889,646,769.15/227,712.70
  6. Step 6: Final answer
    x = 104,911.35

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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.