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Finding the Fourth Proportional to 88,093.70, 131,870.55 and 48,529.70

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Solution

The fourth proportional to 88,093.70, 131,870.55 and 48,529.70 is: 72,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.70 : 131,870.55 = 48,529.70 : x
  2. Step 2: Convert to fraction form
    88,093.70/131,870.55 = 48,529.70/x
  3. Step 3: Cross multiply
    88,093.70x = 131,870.55 × 48,529.70
  4. Step 4: Simplify right side
    88,093.70x = 6,399,638,230.34
  5. Step 5: Solve for x
    x = 6,399,638,230.34/88,093.70
  6. Step 6: Final answer
    x = 72,645.81

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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.