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Finding the Fourth Proportional to 73,577.85, 101,533.95 and 40,874.37

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Solution

The fourth proportional to 73,577.85, 101,533.95 and 40,874.37 is: 56,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,577.85 : 101,533.95 = 40,874.37 : x
  2. Step 2: Convert to fraction form
    73,577.85/101,533.95 = 40,874.37/x
  3. Step 3: Cross multiply
    73,577.85x = 101,533.95 × 40,874.37
  4. Step 4: Simplify right side
    73,577.85x = 4,150,136,239.86
  5. Step 5: Solve for x
    x = 4,150,136,239.86/73,577.85
  6. Step 6: Final answer
    x = 56,404.70

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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.