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Finding the Fourth Proportional to 97,372.88, 134,372.14 and 54,928.07

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Solution

The fourth proportional to 97,372.88, 134,372.14 and 54,928.07 is: 75,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,372.88 : 134,372.14 = 54,928.07 : x
  2. Step 2: Convert to fraction form
    97,372.88/134,372.14 = 54,928.07/x
  3. Step 3: Cross multiply
    97,372.88x = 134,372.14 × 54,928.07
  4. Step 4: Simplify right side
    97,372.88x = 7,380,801,502.79
  5. Step 5: Solve for x
    x = 7,380,801,502.79/97,372.88
  6. Step 6: Final answer
    x = 75,799.36

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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.