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Finding the Fourth Proportional to 88,568.74, 132,930.87 and 46,478.80

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Solution

The fourth proportional to 88,568.74, 132,930.87 and 46,478.80 is: 69,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,568.74 : 132,930.87 = 46,478.80 : x
  2. Step 2: Convert to fraction form
    88,568.74/132,930.87 = 46,478.80/x
  3. Step 3: Cross multiply
    88,568.74x = 132,930.87 × 46,478.80
  4. Step 4: Simplify right side
    88,568.74x = 6,178,467,320.56
  5. Step 5: Solve for x
    x = 6,178,467,320.56/88,568.74
  6. Step 6: Final answer
    x = 69,759.01

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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.