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Finding the Fourth Proportional to 316,787.04, 475,251.48 and 106,419.24

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Solution

The fourth proportional to 316,787.04, 475,251.48 and 106,419.24 is: 159,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,787.04 : 475,251.48 = 106,419.24 : x
  2. Step 2: Convert to fraction form
    316,787.04/475,251.48 = 106,419.24/x
  3. Step 3: Cross multiply
    316,787.04x = 475,251.48 × 106,419.24
  4. Step 4: Simplify right side
    316,787.04x = 50,575,901,310.48
  5. Step 5: Solve for x
    x = 50,575,901,310.48/316,787.04
  6. Step 6: Final answer
    x = 159,652.68

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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.