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Finding the Fourth Proportional to 341,984.88, 512,887.95 and 102,042.36

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Solution

The fourth proportional to 341,984.88, 512,887.95 and 102,042.36 is: 153,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,984.88 : 512,887.95 = 102,042.36 : x
  2. Step 2: Convert to fraction form
    341,984.88/512,887.95 = 102,042.36/x
  3. Step 3: Cross multiply
    341,984.88x = 512,887.95 × 102,042.36
  4. Step 4: Simplify right side
    341,984.88x = 52,336,296,833.56
  5. Step 5: Solve for x
    x = 52,336,296,833.56/341,984.88
  6. Step 6: Final answer
    x = 153,036.87

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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.