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Finding the Fourth Proportional to 84,976.98, 127,350.64 and 32,357.76

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Solution

The fourth proportional to 84,976.98, 127,350.64 and 32,357.76 is: 48,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.98 : 127,350.64 = 32,357.76 : x
  2. Step 2: Convert to fraction form
    84,976.98/127,350.64 = 32,357.76/x
  3. Step 3: Cross multiply
    84,976.98x = 127,350.64 × 32,357.76
  4. Step 4: Simplify right side
    84,976.98x = 4,120,781,444.97
  5. Step 5: Solve for x
    x = 4,120,781,444.97/84,976.98
  6. Step 6: Final answer
    x = 48,492.91

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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.