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Finding the Fourth Proportional to 97,340.56, 134,326 and 54,321.91

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Solution

The fourth proportional to 97,340.56, 134,326 and 54,321.91 is: 74,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,340.56 : 134,326 = 54,321.91 : x
  2. Step 2: Convert to fraction form
    97,340.56/134,326 = 54,321.91/x
  3. Step 3: Cross multiply
    97,340.56x = 134,326 × 54,321.91
  4. Step 4: Simplify right side
    97,340.56x = 7,296,844,882.66
  5. Step 5: Solve for x
    x = 7,296,844,882.66/97,340.56
  6. Step 6: Final answer
    x = 74,962.02

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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.