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Finding the Fourth Proportional to 122,332.88, 168,826.20 and 92,063.84

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Solution

The fourth proportional to 122,332.88, 168,826.20 and 92,063.84 is: 127,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,332.88 : 168,826.20 = 92,063.84 : x
  2. Step 2: Convert to fraction form
    122,332.88/168,826.20 = 92,063.84/x
  3. Step 3: Cross multiply
    122,332.88x = 168,826.20 × 92,063.84
  4. Step 4: Simplify right side
    122,332.88x = 15,542,788,264.61
  5. Step 5: Solve for x
    x = 15,542,788,264.61/122,332.88
  6. Step 6: Final answer
    x = 127,053.24

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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.