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Finding the Fourth Proportional to 73,658.92, 101,649.33 and 40,124.92

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Solution

The fourth proportional to 73,658.92, 101,649.33 and 40,124.92 is: 55,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,658.92 : 101,649.33 = 40,124.92 : x
  2. Step 2: Convert to fraction form
    73,658.92/101,649.33 = 40,124.92/x
  3. Step 3: Cross multiply
    73,658.92x = 101,649.33 × 40,124.92
  4. Step 4: Simplify right side
    73,658.92x = 4,078,671,286.13
  5. Step 5: Solve for x
    x = 4,078,671,286.13/73,658.92
  6. Step 6: Final answer
    x = 55,372.40

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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.