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Finding the Fourth Proportional to 247,656.78, 341,767.62 and 134,479.53

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Solution

The fourth proportional to 247,656.78, 341,767.62 and 134,479.53 is: 185,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,656.78 : 341,767.62 = 134,479.53 : x
  2. Step 2: Convert to fraction form
    247,656.78/341,767.62 = 134,479.53/x
  3. Step 3: Cross multiply
    247,656.78x = 341,767.62 × 134,479.53
  4. Step 4: Simplify right side
    247,656.78x = 45,960,748,906.82
  5. Step 5: Solve for x
    x = 45,960,748,906.82/247,656.78
  6. Step 6: Final answer
    x = 185,582.44

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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.