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Finding the Fourth Proportional to 88,751.58, 133,214.85 and 53,759.58

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Solution

The fourth proportional to 88,751.58, 133,214.85 and 53,759.58 is: 80,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,751.58 : 133,214.85 = 53,759.58 : x
  2. Step 2: Convert to fraction form
    88,751.58/133,214.85 = 53,759.58/x
  3. Step 3: Cross multiply
    88,751.58x = 133,214.85 × 53,759.58
  4. Step 4: Simplify right side
    88,751.58x = 7,161,574,385.76
  5. Step 5: Solve for x
    x = 7,161,574,385.76/88,751.58
  6. Step 6: Final answer
    x = 80,692.36

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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.