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Finding the Fourth Proportional to 97,396.61, 134,409.42 and 53,789.03

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Solution

The fourth proportional to 97,396.61, 134,409.42 and 53,789.03 is: 74,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,396.61 : 134,409.42 = 53,789.03 : x
  2. Step 2: Convert to fraction form
    97,396.61/134,409.42 = 53,789.03/x
  3. Step 3: Cross multiply
    97,396.61x = 134,409.42 × 53,789.03
  4. Step 4: Simplify right side
    97,396.61x = 7,229,751,652.62
  5. Step 5: Solve for x
    x = 7,229,751,652.62/97,396.61
  6. Step 6: Final answer
    x = 74,230.01

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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.