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Finding the Fourth Proportional to 167,203.59, 250,869.42 and 100,691.25

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Solution

The fourth proportional to 167,203.59, 250,869.42 and 100,691.25 is: 151,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,203.59 : 250,869.42 = 100,691.25 : x
  2. Step 2: Convert to fraction form
    167,203.59/250,869.42 = 100,691.25/x
  3. Step 3: Cross multiply
    167,203.59x = 250,869.42 × 100,691.25
  4. Step 4: Simplify right side
    167,203.59x = 25,260,355,486.58
  5. Step 5: Solve for x
    x = 25,260,355,486.58/167,203.59
  6. Step 6: Final answer
    x = 151,075.44

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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.