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Finding the Fourth Proportional to 159,480.68, 219,986.01 and 94,906.60

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Solution

The fourth proportional to 159,480.68, 219,986.01 and 94,906.60 is: 130,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.68 : 219,986.01 = 94,906.60 : x
  2. Step 2: Convert to fraction form
    159,480.68/219,986.01 = 94,906.60/x
  3. Step 3: Cross multiply
    159,480.68x = 219,986.01 × 94,906.60
  4. Step 4: Simplify right side
    159,480.68x = 20,878,123,706.70
  5. Step 5: Solve for x
    x = 20,878,123,706.70/159,480.68
  6. Step 6: Final answer
    x = 130,913.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.