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Finding the Fourth Proportional to 73,658.23, 101,648.36 and 40,124.23

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Solution

The fourth proportional to 73,658.23, 101,648.36 and 40,124.23 is: 55,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,658.23 : 101,648.36 = 40,124.23 : x
  2. Step 2: Convert to fraction form
    73,658.23/101,648.36 = 40,124.23/x
  3. Step 3: Cross multiply
    73,658.23x = 101,648.36 × 40,124.23
  4. Step 4: Simplify right side
    73,658.23x = 4,078,561,721.02
  5. Step 5: Solve for x
    x = 4,078,561,721.02/73,658.23
  6. Step 6: Final answer
    x = 55,371.43

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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.