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Finding the Fourth Proportional to 341,689.59, 512,533.17 and 92,371.59

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Solution

The fourth proportional to 341,689.59, 512,533.17 and 92,371.59 is: 138,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,689.59 : 512,533.17 = 92,371.59 : x
  2. Step 2: Convert to fraction form
    341,689.59/512,533.17 = 92,371.59/x
  3. Step 3: Cross multiply
    341,689.59x = 512,533.17 × 92,371.59
  4. Step 4: Simplify right side
    341,689.59x = 47,343,503,840.64
  5. Step 5: Solve for x
    x = 47,343,503,840.64/341,689.59
  6. Step 6: Final answer
    x = 138,557.06

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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.