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Finding the Fourth Proportional to 97,797.39, 134,960.48 and 55,369.59

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Solution

The fourth proportional to 97,797.39, 134,960.48 and 55,369.59 is: 76,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,797.39 : 134,960.48 = 55,369.59 : x
  2. Step 2: Convert to fraction form
    97,797.39/134,960.48 = 55,369.59/x
  3. Step 3: Cross multiply
    97,797.39x = 134,960.48 × 55,369.59
  4. Step 4: Simplify right side
    97,797.39x = 7,472,706,166.96
  5. Step 5: Solve for x
    x = 7,472,706,166.96/97,797.39
  6. Step 6: Final answer
    x = 76,410.08

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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.