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Finding the Fourth Proportional to 97,344.91, 134,334.61 and 54,917.11

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Solution

The fourth proportional to 97,344.91, 134,334.61 and 54,917.11 is: 75,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,344.91 : 134,334.61 = 54,917.11 : x
  2. Step 2: Convert to fraction form
    97,344.91/134,334.61 = 54,917.11/x
  3. Step 3: Cross multiply
    97,344.91x = 134,334.61 × 54,917.11
  4. Step 4: Simplify right side
    97,344.91x = 7,377,268,554.18
  5. Step 5: Solve for x
    x = 7,377,268,554.18/97,344.91
  6. Step 6: Final answer
    x = 75,784.84

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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.