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Finding the Fourth Proportional to 122,353.17, 168,852.94 and 71,366.91

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Solution

The fourth proportional to 122,353.17, 168,852.94 and 71,366.91 is: 98,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353.17 : 168,852.94 = 71,366.91 : x
  2. Step 2: Convert to fraction form
    122,353.17/168,852.94 = 71,366.91/x
  3. Step 3: Cross multiply
    122,353.17x = 168,852.94 × 71,366.91
  4. Step 4: Simplify right side
    122,353.17x = 12,050,512,572.22
  5. Step 5: Solve for x
    x = 12,050,512,572.22/122,353.17
  6. Step 6: Final answer
    x = 98,489.58

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