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Finding the Fourth Proportional to 242,297.39, 334,370.36 and 134,865.14

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Solution

The fourth proportional to 242,297.39, 334,370.36 and 134,865.14 is: 186,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,297.39 : 334,370.36 = 134,865.14 : x
  2. Step 2: Convert to fraction form
    242,297.39/334,370.36 = 134,865.14/x
  3. Step 3: Cross multiply
    242,297.39x = 334,370.36 × 134,865.14
  4. Step 4: Simplify right side
    242,297.39x = 45,094,904,078.56
  5. Step 5: Solve for x
    x = 45,094,904,078.56/242,297.39
  6. Step 6: Final answer
    x = 186,113.86

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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.