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Finding the Fourth Proportional to 242,626.74, 334,820.37 and 135,194.49

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Solution

The fourth proportional to 242,626.74, 334,820.37 and 135,194.49 is: 186,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,626.74 : 334,820.37 = 135,194.49 : x
  2. Step 2: Convert to fraction form
    242,626.74/334,820.37 = 135,194.49/x
  3. Step 3: Cross multiply
    242,626.74x = 334,820.37 × 135,194.49
  4. Step 4: Simplify right side
    242,626.74x = 45,265,869,163.76
  5. Step 5: Solve for x
    x = 45,265,869,163.76/242,626.74
  6. Step 6: Final answer
    x = 186,565.87

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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.