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Finding the Fourth Proportional to 86,569.62, 119,199.60 and 73,794.17

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Solution

The fourth proportional to 86,569.62, 119,199.60 and 73,794.17 is: 101,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.62 : 119,199.60 = 73,794.17 : x
  2. Step 2: Convert to fraction form
    86,569.62/119,199.60 = 73,794.17/x
  3. Step 3: Cross multiply
    86,569.62x = 119,199.60 × 73,794.17
  4. Step 4: Simplify right side
    86,569.62x = 8,796,234,950.33
  5. Step 5: Solve for x
    x = 8,796,234,950.33/86,569.62
  6. Step 6: Final answer
    x = 101,608.80

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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.