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Finding the Fourth Proportional to 343,952.91, 515,947.32 and 104,060.73

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Solution

The fourth proportional to 343,952.91, 515,947.32 and 104,060.73 is: 156,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,952.91 : 515,947.32 = 104,060.73 : x
  2. Step 2: Convert to fraction form
    343,952.91/515,947.32 = 104,060.73/x
  3. Step 3: Cross multiply
    343,952.91x = 515,947.32 × 104,060.73
  4. Step 4: Simplify right side
    343,952.91x = 53,689,852,342.24
  5. Step 5: Solve for x
    x = 53,689,852,342.24/343,952.91
  6. Step 6: Final answer
    x = 156,096.52

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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.