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Finding the Fourth Proportional to 122,893.17, 169,502.04 and 92,679.77

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Solution

The fourth proportional to 122,893.17, 169,502.04 and 92,679.77 is: 127,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,893.17 : 169,502.04 = 92,679.77 : x
  2. Step 2: Convert to fraction form
    122,893.17/169,502.04 = 92,679.77/x
  3. Step 3: Cross multiply
    122,893.17x = 169,502.04 × 92,679.77
  4. Step 4: Simplify right side
    122,893.17x = 15,709,409,194.58
  5. Step 5: Solve for x
    x = 15,709,409,194.58/122,893.17
  6. Step 6: Final answer
    x = 127,829.80

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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.