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Finding the Fourth Proportional to 76,808.58, 115,212.87 and 24,222.16

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Solution

The fourth proportional to 76,808.58, 115,212.87 and 24,222.16 is: 36,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,808.58 : 115,212.87 = 24,222.16 : x
  2. Step 2: Convert to fraction form
    76,808.58/115,212.87 = 24,222.16/x
  3. Step 3: Cross multiply
    76,808.58x = 115,212.87 × 24,222.16
  4. Step 4: Simplify right side
    76,808.58x = 2,790,705,005.19
  5. Step 5: Solve for x
    x = 2,790,705,005.19/76,808.58
  6. Step 6: Final answer
    x = 36,333.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.