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Finding the Fourth Proportional to 107,093.80, 160,640.70 and 62,770.60

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Solution

The fourth proportional to 107,093.80, 160,640.70 and 62,770.60 is: 94,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,093.80 : 160,640.70 = 62,770.60 : x
  2. Step 2: Convert to fraction form
    107,093.80/160,640.70 = 62,770.60/x
  3. Step 3: Cross multiply
    107,093.80x = 160,640.70 × 62,770.60
  4. Step 4: Simplify right side
    107,093.80x = 10,083,513,123.42
  5. Step 5: Solve for x
    x = 10,083,513,123.42/107,093.80
  6. Step 6: Final answer
    x = 94,155.90

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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.