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Finding the Fourth Proportional to 75,955.89, 104,671.11 and 54,695.01

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Solution

The fourth proportional to 75,955.89, 104,671.11 and 54,695.01 is: 75,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,955.89 : 104,671.11 = 54,695.01 : x
  2. Step 2: Convert to fraction form
    75,955.89/104,671.11 = 54,695.01/x
  3. Step 3: Cross multiply
    75,955.89x = 104,671.11 × 54,695.01
  4. Step 4: Simplify right side
    75,955.89x = 5,724,987,408.16
  5. Step 5: Solve for x
    x = 5,724,987,408.16/75,955.89
  6. Step 6: Final answer
    x = 75,372.53

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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.