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Finding the Fourth Proportional to 341,889.92, 512,775.56 and 92,513.60

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Solution

The fourth proportional to 341,889.92, 512,775.56 and 92,513.60 is: 138,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,889.92 : 512,775.56 = 92,513.60 : x
  2. Step 2: Convert to fraction form
    341,889.92/512,775.56 = 92,513.60/x
  3. Step 3: Cross multiply
    341,889.92x = 512,775.56 × 92,513.60
  4. Step 4: Simplify right side
    341,889.92x = 47,438,713,047.62
  5. Step 5: Solve for x
    x = 47,438,713,047.62/341,889.92
  6. Step 6: Final answer
    x = 138,754.35

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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.