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Finding the Fourth Proportional to 220,382.92, 330,548.39 and 60,475.02

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Solution

The fourth proportional to 220,382.92, 330,548.39 and 60,475.02 is: 90,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,382.92 : 330,548.39 = 60,475.02 : x
  2. Step 2: Convert to fraction form
    220,382.92/330,548.39 = 60,475.02/x
  3. Step 3: Cross multiply
    220,382.92x = 330,548.39 × 60,475.02
  4. Step 4: Simplify right side
    220,382.92x = 19,989,920,193.84
  5. Step 5: Solve for x
    x = 19,989,920,193.84/220,382.92
  6. Step 6: Final answer
    x = 90,705.40

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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.