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Finding the Fourth Proportional to 88,653.32, 132,824.14 and 79,011.08

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Solution

The fourth proportional to 88,653.32, 132,824.14 and 79,011.08 is: 118,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,653.32 : 132,824.14 = 79,011.08 : x
  2. Step 2: Convert to fraction form
    88,653.32/132,824.14 = 79,011.08/x
  3. Step 3: Cross multiply
    88,653.32x = 132,824.14 × 79,011.08
  4. Step 4: Simplify right side
    88,653.32x = 10,494,578,751.47
  5. Step 5: Solve for x
    x = 10,494,578,751.47/88,653.32
  6. Step 6: Final answer
    x = 118,377.73

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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.