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Finding the Fourth Proportional to 86,532.84, 119,346.21 and 59,669.19

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Solution

The fourth proportional to 86,532.84, 119,346.21 and 59,669.19 is: 82,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.84 : 119,346.21 = 59,669.19 : x
  2. Step 2: Convert to fraction form
    86,532.84/119,346.21 = 59,669.19/x
  3. Step 3: Cross multiply
    86,532.84x = 119,346.21 × 59,669.19
  4. Step 4: Simplify right side
    86,532.84x = 7,121,291,680.27
  5. Step 5: Solve for x
    x = 7,121,291,680.27/86,532.84
  6. Step 6: Final answer
    x = 82,295.83

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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.