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Finding the Fourth Proportional to 86,662.65, 119,592.22 and 48,422.51

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Solution

The fourth proportional to 86,662.65, 119,592.22 and 48,422.51 is: 66,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,662.65 : 119,592.22 = 48,422.51 : x
  2. Step 2: Convert to fraction form
    86,662.65/119,592.22 = 48,422.51/x
  3. Step 3: Cross multiply
    86,662.65x = 119,592.22 × 48,422.51
  4. Step 4: Simplify right side
    86,662.65x = 5,790,955,803.70
  5. Step 5: Solve for x
    x = 5,790,955,803.70/86,662.65
  6. Step 6: Final answer
    x = 66,821.82

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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.