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Finding the Fourth Proportional to 341,569.81, 512,353.63 and 92,251.81

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Solution

The fourth proportional to 341,569.81, 512,353.63 and 92,251.81 is: 138,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,569.81 : 512,353.63 = 92,251.81 : x
  2. Step 2: Convert to fraction form
    341,569.81/512,353.63 = 92,251.81/x
  3. Step 3: Cross multiply
    341,569.81x = 512,353.63 × 92,251.81
  4. Step 4: Simplify right side
    341,569.81x = 47,265,548,216.06
  5. Step 5: Solve for x
    x = 47,265,548,216.06/341,569.81
  6. Step 6: Final answer
    x = 138,377.42

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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.