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Finding the Fourth Proportional to 122,957.88, 184,355.82 and 48,086.34

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Solution

The fourth proportional to 122,957.88, 184,355.82 and 48,086.34 is: 72,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,957.88 : 184,355.82 = 48,086.34 : x
  2. Step 2: Convert to fraction form
    122,957.88/184,355.82 = 48,086.34/x
  3. Step 3: Cross multiply
    122,957.88x = 184,355.82 × 48,086.34
  4. Step 4: Simplify right side
    122,957.88x = 8,864,996,641.50
  5. Step 5: Solve for x
    x = 8,864,996,641.50/122,957.88
  6. Step 6: Final answer
    x = 72,097.83

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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.