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Finding the Fourth Proportional to 111,289.84, 167,101.49 and 96,343.04

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Solution

The fourth proportional to 111,289.84, 167,101.49 and 96,343.04 is: 144,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,289.84 : 167,101.49 = 96,343.04 : x
  2. Step 2: Convert to fraction form
    111,289.84/167,101.49 = 96,343.04/x
  3. Step 3: Cross multiply
    111,289.84x = 167,101.49 × 96,343.04
  4. Step 4: Simplify right side
    111,289.84x = 16,099,066,193.74
  5. Step 5: Solve for x
    x = 16,099,066,193.74/111,289.84
  6. Step 6: Final answer
    x = 144,658.91

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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.