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Finding the Fourth Proportional to 97,667.48, 134,787.81 and 54,651.05

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Solution

The fourth proportional to 97,667.48, 134,787.81 and 54,651.05 is: 75,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.48 : 134,787.81 = 54,651.05 : x
  2. Step 2: Convert to fraction form
    97,667.48/134,787.81 = 54,651.05/x
  3. Step 3: Cross multiply
    97,667.48x = 134,787.81 × 54,651.05
  4. Step 4: Simplify right side
    97,667.48x = 7,366,295,343.70
  5. Step 5: Solve for x
    x = 7,366,295,343.70/97,667.48
  6. Step 6: Final answer
    x = 75,422.19

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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.