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Finding the Fourth Proportional to 73,291.59, 101,142.23 and 39,757.59

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Solution

The fourth proportional to 73,291.59, 101,142.23 and 39,757.59 is: 54,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291.59 : 101,142.23 = 39,757.59 : x
  2. Step 2: Convert to fraction form
    73,291.59/101,142.23 = 39,757.59/x
  3. Step 3: Cross multiply
    73,291.59x = 101,142.23 × 39,757.59
  4. Step 4: Simplify right side
    73,291.59x = 4,021,171,113.24
  5. Step 5: Solve for x
    x = 4,021,171,113.24/73,291.59
  6. Step 6: Final answer
    x = 54,865.38

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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.