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Finding the Fourth Proportional to 73,201.44, 101,015.28 and 39,666.72

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Solution

The fourth proportional to 73,201.44, 101,015.28 and 39,666.72 is: 54,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.44 : 101,015.28 = 39,666.72 : x
  2. Step 2: Convert to fraction form
    73,201.44/101,015.28 = 39,666.72/x
  3. Step 3: Cross multiply
    73,201.44x = 101,015.28 × 39,666.72
  4. Step 4: Simplify right side
    73,201.44x = 4,006,944,827.48
  5. Step 5: Solve for x
    x = 4,006,944,827.48/73,201.44
  6. Step 6: Final answer
    x = 54,738.61

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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.