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Finding the Fourth Proportional to 122,938.60, 184,451.10 and 44,055.40

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Solution

The fourth proportional to 122,938.60, 184,451.10 and 44,055.40 is: 66,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,938.60 : 184,451.10 = 44,055.40 : x
  2. Step 2: Convert to fraction form
    122,938.60/184,451.10 = 44,055.40/x
  3. Step 3: Cross multiply
    122,938.60x = 184,451.10 × 44,055.40
  4. Step 4: Simplify right side
    122,938.60x = 8,126,066,990.94
  5. Step 5: Solve for x
    x = 8,126,066,990.94/122,938.60
  6. Step 6: Final answer
    x = 66,098.58

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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.