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Finding the Fourth Proportional to 273,162.78, 409,805.06 and 83,649.78

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Solution

The fourth proportional to 273,162.78, 409,805.06 and 83,649.78 is: 125,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,162.78 : 409,805.06 = 83,649.78 : x
  2. Step 2: Convert to fraction form
    273,162.78/409,805.06 = 83,649.78/x
  3. Step 3: Cross multiply
    273,162.78x = 409,805.06 × 83,649.78
  4. Step 4: Simplify right side
    273,162.78x = 34,280,102,693.64
  5. Step 5: Solve for x
    x = 34,280,102,693.64/273,162.78
  6. Step 6: Final answer
    x = 125,493.31

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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.