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Finding the Fourth Proportional to 341,722.75, 512,584.13 and 92,404.75

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Solution

The fourth proportional to 341,722.75, 512,584.13 and 92,404.75 is: 138,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,722.75 : 512,584.13 = 92,404.75 : x
  2. Step 2: Convert to fraction form
    341,722.75/512,584.13 = 92,404.75/x
  3. Step 3: Cross multiply
    341,722.75x = 512,584.13 × 92,404.75
  4. Step 4: Simplify right side
    341,722.75x = 47,365,208,386.62
  5. Step 5: Solve for x
    x = 47,365,208,386.62/341,722.75
  6. Step 6: Final answer
    x = 138,607.13

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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.