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Finding the Fourth Proportional to 348,611.78, 522,857.48 and 92,446.14

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Solution

The fourth proportional to 348,611.78, 522,857.48 and 92,446.14 is: 138,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,611.78 : 522,857.48 = 92,446.14 : x
  2. Step 2: Convert to fraction form
    348,611.78/522,857.48 = 92,446.14/x
  3. Step 3: Cross multiply
    348,611.78x = 522,857.48 × 92,446.14
  4. Step 4: Simplify right side
    348,611.78x = 48,336,155,796.13
  5. Step 5: Solve for x
    x = 48,336,155,796.13/348,611.78
  6. Step 6: Final answer
    x = 138,653.25

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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.