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Finding the Fourth Proportional to 82,273.77, 123,410.65 and 19,944.27

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Solution

The fourth proportional to 82,273.77, 123,410.65 and 19,944.27 is: 29,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,273.77 : 123,410.65 = 19,944.27 : x
  2. Step 2: Convert to fraction form
    82,273.77/123,410.65 = 19,944.27/x
  3. Step 3: Cross multiply
    82,273.77x = 123,410.65 × 19,944.27
  4. Step 4: Simplify right side
    82,273.77x = 2,461,334,836.76
  5. Step 5: Solve for x
    x = 2,461,334,836.76/82,273.77
  6. Step 6: Final answer
    x = 29,916.40

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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.