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Finding the Fourth Proportional to 73,771.49, 110,550.92 and 42,083.88

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Solution

The fourth proportional to 73,771.49, 110,550.92 and 42,083.88 is: 63,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,771.49 : 110,550.92 = 42,083.88 : x
  2. Step 2: Convert to fraction form
    73,771.49/110,550.92 = 42,083.88/x
  3. Step 3: Cross multiply
    73,771.49x = 110,550.92 × 42,083.88
  4. Step 4: Simplify right side
    73,771.49x = 4,652,411,440.75
  5. Step 5: Solve for x
    x = 4,652,411,440.75/73,771.49
  6. Step 6: Final answer
    x = 63,065.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.