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Finding the Fourth Proportional to 73,133.01, 109,699.53 and 26,385.87

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Solution

The fourth proportional to 73,133.01, 109,699.53 and 26,385.87 is: 39,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.01 : 109,699.53 = 26,385.87 : x
  2. Step 2: Convert to fraction form
    73,133.01/109,699.53 = 26,385.87/x
  3. Step 3: Cross multiply
    73,133.01x = 109,699.53 × 26,385.87
  4. Step 4: Simplify right side
    73,133.01x = 2,894,517,537.64
  5. Step 5: Solve for x
    x = 2,894,517,537.64/73,133.01
  6. Step 6: Final answer
    x = 39,578.81

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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.