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Finding the Fourth Proportional to 316,516.26, 474,891.02 and 166,750.50

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Solution

The fourth proportional to 316,516.26, 474,891.02 and 166,750.50 is: 250,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,516.26 : 474,891.02 = 166,750.50 : x
  2. Step 2: Convert to fraction form
    316,516.26/474,891.02 = 166,750.50/x
  3. Step 3: Cross multiply
    316,516.26x = 474,891.02 × 166,750.50
  4. Step 4: Simplify right side
    316,516.26x = 79,188,315,030.51
  5. Step 5: Solve for x
    x = 79,188,315,030.51/316,516.26
  6. Step 6: Final answer
    x = 250,187.19

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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.