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Finding the Fourth Proportional to 317,300.61, 475,952.55 and 106,940.37

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Solution

The fourth proportional to 317,300.61, 475,952.55 and 106,940.37 is: 160,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,300.61 : 475,952.55 = 106,940.37 : x
  2. Step 2: Convert to fraction form
    317,300.61/475,952.55 = 106,940.37/x
  3. Step 3: Cross multiply
    317,300.61x = 475,952.55 × 106,940.37
  4. Step 4: Simplify right side
    317,300.61x = 50,898,541,799.44
  5. Step 5: Solve for x
    x = 50,898,541,799.44/317,300.61
  6. Step 6: Final answer
    x = 160,411.11

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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.