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Finding the Fourth Proportional to 235,219.85, 352,802.22 and 66,754.97

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Solution

The fourth proportional to 235,219.85, 352,802.22 and 66,754.97 is: 100,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,219.85 : 352,802.22 = 66,754.97 : x
  2. Step 2: Convert to fraction form
    235,219.85/352,802.22 = 66,754.97/x
  3. Step 3: Cross multiply
    235,219.85x = 352,802.22 × 66,754.97
  4. Step 4: Simplify right side
    235,219.85x = 23,551,299,848.02
  5. Step 5: Solve for x
    x = 23,551,299,848.02/235,219.85
  6. Step 6: Final answer
    x = 100,124.63

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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.