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Finding the Fourth Proportional to 75,174.52, 103,629.90 and 59,227.24

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Solution

The fourth proportional to 75,174.52, 103,629.90 and 59,227.24 is: 81,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,174.52 : 103,629.90 = 59,227.24 : x
  2. Step 2: Convert to fraction form
    75,174.52/103,629.90 = 59,227.24/x
  3. Step 3: Cross multiply
    75,174.52x = 103,629.90 × 59,227.24
  4. Step 4: Simplify right side
    75,174.52x = 6,137,712,958.48
  5. Step 5: Solve for x
    x = 6,137,712,958.48/75,174.52
  6. Step 6: Final answer
    x = 81,646.19

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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.