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Finding the Fourth Proportional to 79,476.32, 119,231.76 and 24,076.64

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Solution

The fourth proportional to 79,476.32, 119,231.76 and 24,076.64 is: 36,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476.32 : 119,231.76 = 24,076.64 : x
  2. Step 2: Convert to fraction form
    79,476.32/119,231.76 = 24,076.64/x
  3. Step 3: Cross multiply
    79,476.32x = 119,231.76 × 24,076.64
  4. Step 4: Simplify right side
    79,476.32x = 2,870,700,162.09
  5. Step 5: Solve for x
    x = 2,870,700,162.09/79,476.32
  6. Step 6: Final answer
    x = 36,120.19

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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.