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Finding the Fourth Proportional to 69,443.97, 104,304.34 and 65,527.18

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Solution

The fourth proportional to 69,443.97, 104,304.34 and 65,527.18 is: 98,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.97 : 104,304.34 = 65,527.18 : x
  2. Step 2: Convert to fraction form
    69,443.97/104,304.34 = 65,527.18/x
  3. Step 3: Cross multiply
    69,443.97x = 104,304.34 × 65,527.18
  4. Step 4: Simplify right side
    69,443.97x = 6,834,769,083.11
  5. Step 5: Solve for x
    x = 6,834,769,083.11/69,443.97
  6. Step 6: Final answer
    x = 98,421.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.