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Finding the Fourth Proportional to 179,777.71, 269,596.51 and 67,396.63

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Solution

The fourth proportional to 179,777.71, 269,596.51 and 67,396.63 is: 101,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,777.71 : 269,596.51 = 67,396.63 : x
  2. Step 2: Convert to fraction form
    179,777.71/269,596.51 = 67,396.63/x
  3. Step 3: Cross multiply
    179,777.71x = 269,596.51 × 67,396.63
  4. Step 4: Simplify right side
    179,777.71x = 18,169,896,233.76
  5. Step 5: Solve for x
    x = 18,169,896,233.76/179,777.71
  6. Step 6: Final answer
    x = 101,068.68

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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.