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Finding the Fourth Proportional to 179,014.84, 268,642.90 and 73,831.48

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Solution

The fourth proportional to 179,014.84, 268,642.90 and 73,831.48 is: 110,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,014.84 : 268,642.90 = 73,831.48 : x
  2. Step 2: Convert to fraction form
    179,014.84/268,642.90 = 73,831.48/x
  3. Step 3: Cross multiply
    179,014.84x = 268,642.90 × 73,831.48
  4. Step 4: Simplify right side
    179,014.84x = 19,834,302,898.49
  5. Step 5: Solve for x
    x = 19,834,302,898.49/179,014.84
  6. Step 6: Final answer
    x = 110,796.98

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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.