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Finding the Fourth Proportional to 156,827.87, 216,415.41 and 88,843.46

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Solution

The fourth proportional to 156,827.87, 216,415.41 and 88,843.46 is: 122,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,827.87 : 216,415.41 = 88,843.46 : x
  2. Step 2: Convert to fraction form
    156,827.87/216,415.41 = 88,843.46/x
  3. Step 3: Cross multiply
    156,827.87x = 216,415.41 × 88,843.46
  4. Step 4: Simplify right side
    156,827.87x = 19,227,092,406.48
  5. Step 5: Solve for x
    x = 19,227,092,406.48/156,827.87
  6. Step 6: Final answer
    x = 122,599.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.