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Finding the Fourth Proportional to 70,549.88, 105,793.02 and 50,745.38

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Solution

The fourth proportional to 70,549.88, 105,793.02 and 50,745.38 is: 76,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549.88 : 105,793.02 = 50,745.38 : x
  2. Step 2: Convert to fraction form
    70,549.88/105,793.02 = 50,745.38/x
  3. Step 3: Cross multiply
    70,549.88x = 105,793.02 × 50,745.38
  4. Step 4: Simplify right side
    70,549.88x = 5,368,506,472.28
  5. Step 5: Solve for x
    x = 5,368,506,472.28/70,549.88
  6. Step 6: Final answer
    x = 76,095.19

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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.