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Finding the Fourth Proportional to 88,074.65, 132,014.78 and 48,660.05

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Solution

The fourth proportional to 88,074.65, 132,014.78 and 48,660.05 is: 72,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.65 : 132,014.78 = 48,660.05 : x
  2. Step 2: Convert to fraction form
    88,074.65/132,014.78 = 48,660.05/x
  3. Step 3: Cross multiply
    88,074.65x = 132,014.78 × 48,660.05
  4. Step 4: Simplify right side
    88,074.65x = 6,423,845,552.24
  5. Step 5: Solve for x
    x = 6,423,845,552.24/88,074.65
  6. Step 6: Final answer
    x = 72,936.37

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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.