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Finding the Fourth Proportional to 88,730.30, 133,046.85 and 36,080.30

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Solution

The fourth proportional to 88,730.30, 133,046.85 and 36,080.30 is: 54,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.30 : 133,046.85 = 36,080.30 : x
  2. Step 2: Convert to fraction form
    88,730.30/133,046.85 = 36,080.30/x
  3. Step 3: Cross multiply
    88,730.30x = 133,046.85 × 36,080.30
  4. Step 4: Simplify right side
    88,730.30x = 4,800,370,262.06
  5. Step 5: Solve for x
    x = 4,800,370,262.06/88,730.30
  6. Step 6: Final answer
    x = 54,100.69

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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.