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Finding the Fourth Proportional to 86,565.62, 119,194.09 and 73,790.17

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Solution

The fourth proportional to 86,565.62, 119,194.09 and 73,790.17 is: 101,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.62 : 119,194.09 = 73,790.17 : x
  2. Step 2: Convert to fraction form
    86,565.62/119,194.09 = 73,790.17/x
  3. Step 3: Cross multiply
    86,565.62x = 119,194.09 × 73,790.17
  4. Step 4: Simplify right side
    86,565.62x = 8,795,352,164.10
  5. Step 5: Solve for x
    x = 8,795,352,164.10/86,565.62
  6. Step 6: Final answer
    x = 101,603.29

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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.