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Finding the Fourth Proportional to 73,282.76, 101,128.41 and 41,017.80

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Solution

The fourth proportional to 73,282.76, 101,128.41 and 41,017.80 is: 56,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.76 : 101,128.41 = 41,017.80 : x
  2. Step 2: Convert to fraction form
    73,282.76/101,128.41 = 41,017.80/x
  3. Step 3: Cross multiply
    73,282.76x = 101,128.41 × 41,017.80
  4. Step 4: Simplify right side
    73,282.76x = 4,148,064,895.70
  5. Step 5: Solve for x
    x = 4,148,064,895.70/73,282.76
  6. Step 6: Final answer
    x = 56,603.56

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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.