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Finding the Fourth Proportional to 133,073.86, 199,687.34 and 73,904.58

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Solution

The fourth proportional to 133,073.86, 199,687.34 and 73,904.58 is: 110,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.86 : 199,687.34 = 73,904.58 : x
  2. Step 2: Convert to fraction form
    133,073.86/199,687.34 = 73,904.58/x
  3. Step 3: Cross multiply
    133,073.86x = 199,687.34 × 73,904.58
  4. Step 4: Simplify right side
    133,073.86x = 14,757,808,994.02
  5. Step 5: Solve for x
    x = 14,757,808,994.02/133,073.86
  6. Step 6: Final answer
    x = 110,899.38

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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.