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Finding the Fourth Proportional to 73,390.88, 101,280.30 and 41,558.96

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Solution

The fourth proportional to 73,390.88, 101,280.30 and 41,558.96 is: 57,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,390.88 : 101,280.30 = 41,558.96 : x
  2. Step 2: Convert to fraction form
    73,390.88/101,280.30 = 41,558.96/x
  3. Step 3: Cross multiply
    73,390.88x = 101,280.30 × 41,558.96
  4. Step 4: Simplify right side
    73,390.88x = 4,209,103,936.49
  5. Step 5: Solve for x
    x = 4,209,103,936.49/73,390.88
  6. Step 6: Final answer
    x = 57,351.87

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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.