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Finding the Fourth Proportional to 242,494.54, 334,652.85 and 135,064.60

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Solution

The fourth proportional to 242,494.54, 334,652.85 and 135,064.60 is: 186,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,494.54 : 334,652.85 = 135,064.60 : x
  2. Step 2: Convert to fraction form
    242,494.54/334,652.85 = 135,064.60/x
  3. Step 3: Cross multiply
    242,494.54x = 334,652.85 × 135,064.60
  4. Step 4: Simplify right side
    242,494.54x = 45,199,753,324.11
  5. Step 5: Solve for x
    x = 45,199,753,324.11/242,494.54
  6. Step 6: Final answer
    x = 186,394.93

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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.