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Finding the Fourth Proportional to 62,145.96, 85,793.88 and 48,504.70

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Solution

The fourth proportional to 62,145.96, 85,793.88 and 48,504.70 is: 66,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.96 : 85,793.88 = 48,504.70 : x
  2. Step 2: Convert to fraction form
    62,145.96/85,793.88 = 48,504.70/x
  3. Step 3: Cross multiply
    62,145.96x = 85,793.88 × 48,504.70
  4. Step 4: Simplify right side
    62,145.96x = 4,161,406,459.08
  5. Step 5: Solve for x
    x = 4,161,406,459.08/62,145.96
  6. Step 6: Final answer
    x = 66,961.82

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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.