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Finding the Fourth Proportional to 88,131.87, 132,066.54 and 48,700.26

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Solution

The fourth proportional to 88,131.87, 132,066.54 and 48,700.26 is: 72,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131.87 : 132,066.54 = 48,700.26 : x
  2. Step 2: Convert to fraction form
    88,131.87/132,066.54 = 48,700.26/x
  3. Step 3: Cross multiply
    88,131.87x = 132,066.54 × 48,700.26
  4. Step 4: Simplify right side
    88,131.87x = 6,431,674,835.30
  5. Step 5: Solve for x
    x = 6,431,674,835.30/88,131.87
  6. Step 6: Final answer
    x = 72,977.86

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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.