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Finding the Fourth Proportional to 167,624.73, 251,412.51 and 67,782.72

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Solution

The fourth proportional to 167,624.73, 251,412.51 and 67,782.72 is: 101,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,624.73 : 251,412.51 = 67,782.72 : x
  2. Step 2: Convert to fraction form
    167,624.73/251,412.51 = 67,782.72/x
  3. Step 3: Cross multiply
    167,624.73x = 251,412.51 × 67,782.72
  4. Step 4: Simplify right side
    167,624.73x = 17,041,423,769.83
  5. Step 5: Solve for x
    x = 17,041,423,769.83/167,624.73
  6. Step 6: Final answer
    x = 101,664.14

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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.