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Finding the Fourth Proportional to 316,787.94, 475,098.48 and 117,165.51

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Solution

The fourth proportional to 316,787.94, 475,098.48 and 117,165.51 is: 175,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,787.94 : 475,098.48 = 117,165.51 : x
  2. Step 2: Convert to fraction form
    316,787.94/475,098.48 = 117,165.51/x
  3. Step 3: Cross multiply
    316,787.94x = 475,098.48 × 117,165.51
  4. Step 4: Simplify right side
    316,787.94x = 55,665,155,709.42
  5. Step 5: Solve for x
    x = 55,665,155,709.42/316,787.94
  6. Step 6: Final answer
    x = 175,717.41

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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.