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Finding the Fourth Proportional to 73,135.71, 100,927.01 and 39,601.71

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Solution

The fourth proportional to 73,135.71, 100,927.01 and 39,601.71 is: 54,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.71 : 100,927.01 = 39,601.71 : x
  2. Step 2: Convert to fraction form
    73,135.71/100,927.01 = 39,601.71/x
  3. Step 3: Cross multiply
    73,135.71x = 100,927.01 × 39,601.71
  4. Step 4: Simplify right side
    73,135.71x = 3,996,882,280.19
  5. Step 5: Solve for x
    x = 3,996,882,280.19/73,135.71
  6. Step 6: Final answer
    x = 54,650.22

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1.5x scale

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.