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Finding the Fourth Proportional to 97,394.97, 134,404.53 and 54,371.98

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Solution

The fourth proportional to 97,394.97, 134,404.53 and 54,371.98 is: 75,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,394.97 : 134,404.53 = 54,371.98 : x
  2. Step 2: Convert to fraction form
    97,394.97/134,404.53 = 54,371.98/x
  3. Step 3: Cross multiply
    97,394.97x = 134,404.53 × 54,371.98
  4. Step 4: Simplify right side
    97,394.97x = 7,307,839,931.00
  5. Step 5: Solve for x
    x = 7,307,839,931.00/97,394.97
  6. Step 6: Final answer
    x = 75,033.03

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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.