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Finding the Fourth Proportional to 167,149.79, 250,721.96 and 67,307.47

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Solution

The fourth proportional to 167,149.79, 250,721.96 and 67,307.47 is: 100,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,149.79 : 250,721.96 = 67,307.47 : x
  2. Step 2: Convert to fraction form
    167,149.79/250,721.96 = 67,307.47/x
  3. Step 3: Cross multiply
    167,149.79x = 250,721.96 × 67,307.47
  4. Step 4: Simplify right side
    167,149.79x = 16,875,461,437.31
  5. Step 5: Solve for x
    x = 16,875,461,437.31/167,149.79
  6. Step 6: Final answer
    x = 100,960.11

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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.