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Finding the Fourth Proportional to 73,408.66, 101,312.45 and 68,904.82

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Solution

The fourth proportional to 73,408.66, 101,312.45 and 68,904.82 is: 95,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.66 : 101,312.45 = 68,904.82 : x
  2. Step 2: Convert to fraction form
    73,408.66/101,312.45 = 68,904.82/x
  3. Step 3: Cross multiply
    73,408.66x = 101,312.45 × 68,904.82
  4. Step 4: Simplify right side
    73,408.66x = 6,980,916,131.01
  5. Step 5: Solve for x
    x = 6,980,916,131.01/73,408.66
  6. Step 6: Final answer
    x = 95,096.63

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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.