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Finding the Fourth Proportional to 88,838.56, 133,238.22 and 25,644.95

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Solution

The fourth proportional to 88,838.56, 133,238.22 and 25,644.95 is: 38,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,838.56 : 133,238.22 = 25,644.95 : x
  2. Step 2: Convert to fraction form
    88,838.56/133,238.22 = 25,644.95/x
  3. Step 3: Cross multiply
    88,838.56x = 133,238.22 × 25,644.95
  4. Step 4: Simplify right side
    88,838.56x = 3,416,887,976.74
  5. Step 5: Solve for x
    x = 3,416,887,976.74/88,838.56
  6. Step 6: Final answer
    x = 38,461.77

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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.