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Finding the Fourth Proportional to 83,277.38, 124,914.96 and 20,096.98

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Solution

The fourth proportional to 83,277.38, 124,914.96 and 20,096.98 is: 30,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,277.38 : 124,914.96 = 20,096.98 : x
  2. Step 2: Convert to fraction form
    83,277.38/124,914.96 = 20,096.98/x
  3. Step 3: Cross multiply
    83,277.38x = 124,914.96 × 20,096.98
  4. Step 4: Simplify right side
    83,277.38x = 2,510,413,140.53
  5. Step 5: Solve for x
    x = 2,510,413,140.53/83,277.38
  6. Step 6: Final answer
    x = 30,145.20

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1.5x scale

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.