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Finding the Fourth Proportional to 167,281.11, 250,970.81 and 67,389.93

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Solution

The fourth proportional to 167,281.11, 250,970.81 and 67,389.93 is: 101,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,281.11 : 250,970.81 = 67,389.93 : x
  2. Step 2: Convert to fraction form
    167,281.11/250,970.81 = 67,389.93/x
  3. Step 3: Cross multiply
    167,281.11x = 250,970.81 × 67,389.93
  4. Step 4: Simplify right side
    167,281.11x = 16,912,904,980.99
  5. Step 5: Solve for x
    x = 16,912,904,980.99/167,281.11
  6. Step 6: Final answer
    x = 101,104.69

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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.