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Finding the Fourth Proportional to 88,375.80, 132,563.70 and 46,903.80

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Solution

The fourth proportional to 88,375.80, 132,563.70 and 46,903.80 is: 70,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,375.80 : 132,563.70 = 46,903.80 : x
  2. Step 2: Convert to fraction form
    88,375.80/132,563.70 = 46,903.80/x
  3. Step 3: Cross multiply
    88,375.80x = 132,563.70 × 46,903.80
  4. Step 4: Simplify right side
    88,375.80x = 6,217,741,272.06
  5. Step 5: Solve for x
    x = 6,217,741,272.06/88,375.80
  6. Step 6: Final answer
    x = 70,355.70

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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.