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Finding the Fourth Proportional to 167,251.68, 250,684.20 and 77,106.06

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Solution

The fourth proportional to 167,251.68, 250,684.20 and 77,106.06 is: 115,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,251.68 : 250,684.20 = 77,106.06 : x
  2. Step 2: Convert to fraction form
    167,251.68/250,684.20 = 77,106.06/x
  3. Step 3: Cross multiply
    167,251.68x = 250,684.20 × 77,106.06
  4. Step 4: Simplify right side
    167,251.68x = 19,329,270,966.25
  5. Step 5: Solve for x
    x = 19,329,270,966.25/167,251.68
  6. Step 6: Final answer
    x = 115,569.97

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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.