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Finding the Fourth Proportional to 97,376.88, 134,386.24 and 54,919.92

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Solution

The fourth proportional to 97,376.88, 134,386.24 and 54,919.92 is: 75,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,376.88 : 134,386.24 = 54,919.92 : x
  2. Step 2: Convert to fraction form
    97,376.88/134,386.24 = 54,919.92/x
  3. Step 3: Cross multiply
    97,376.88x = 134,386.24 × 54,919.92
  4. Step 4: Simplify right side
    97,376.88x = 7,380,481,549.90
  5. Step 5: Solve for x
    x = 7,380,481,549.90/97,376.88
  6. Step 6: Final answer
    x = 75,792.96

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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.