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Finding the Fourth Proportional to 88,750.80, 133,077.60 and 36,100.80

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Solution

The fourth proportional to 88,750.80, 133,077.60 and 36,100.80 is: 54,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.80 : 133,077.60 = 36,100.80 : x
  2. Step 2: Convert to fraction form
    88,750.80/133,077.60 = 36,100.80/x
  3. Step 3: Cross multiply
    88,750.80x = 133,077.60 × 36,100.80
  4. Step 4: Simplify right side
    88,750.80x = 4,804,207,822.08
  5. Step 5: Solve for x
    x = 4,804,207,822.08/88,750.80
  6. Step 6: Final answer
    x = 54,131.43

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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.