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Finding the Fourth Proportional to 84,976.91, 127,350.53 and 32,357.69

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Solution

The fourth proportional to 84,976.91, 127,350.53 and 32,357.69 is: 48,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.91 : 127,350.53 = 32,357.69 : x
  2. Step 2: Convert to fraction form
    84,976.91/127,350.53 = 32,357.69/x
  3. Step 3: Cross multiply
    84,976.91x = 127,350.53 × 32,357.69
  4. Step 4: Simplify right side
    84,976.91x = 4,120,768,172.53
  5. Step 5: Solve for x
    x = 4,120,768,172.53/84,976.91
  6. Step 6: Final answer
    x = 48,492.80

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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.