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Finding the Fourth Proportional to 316,793.94, 475,107.48 and 117,171.54

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Solution

The fourth proportional to 316,793.94, 475,107.48 and 117,171.54 is: 175,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,793.94 : 475,107.48 = 117,171.54 : x
  2. Step 2: Convert to fraction form
    316,793.94/475,107.48 = 117,171.54/x
  3. Step 3: Cross multiply
    316,793.94x = 475,107.48 × 117,171.54
  4. Step 4: Simplify right side
    316,793.94x = 55,669,075,097.12
  5. Step 5: Solve for x
    x = 55,669,075,097.12/316,793.94
  6. Step 6: Final answer
    x = 175,726.45

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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.