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Finding the Fourth Proportional to 116,294.08, 160,443.84 and 65,963.92

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Solution

The fourth proportional to 116,294.08, 160,443.84 and 65,963.92 is: 91,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,294.08 : 160,443.84 = 65,963.92 : x
  2. Step 2: Convert to fraction form
    116,294.08/160,443.84 = 65,963.92/x
  3. Step 3: Cross multiply
    116,294.08x = 160,443.84 × 65,963.92
  4. Step 4: Simplify right side
    116,294.08x = 10,583,504,626.25
  5. Step 5: Solve for x
    x = 10,583,504,626.25/116,294.08
  6. Step 6: Final answer
    x = 91,006.39

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1.5x scale

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.