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Finding the Fourth Proportional to 111,574.46, 167,361.66 and 32,688.66

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Solution

The fourth proportional to 111,574.46, 167,361.66 and 32,688.66 is: 49,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,574.46 : 167,361.66 = 32,688.66 : x
  2. Step 2: Convert to fraction form
    111,574.46/167,361.66 = 32,688.66/x
  3. Step 3: Cross multiply
    111,574.46x = 167,361.66 × 32,688.66
  4. Step 4: Simplify right side
    111,574.46x = 5,470,829,028.38
  5. Step 5: Solve for x
    x = 5,470,829,028.38/111,574.46
  6. Step 6: Final answer
    x = 49,032.99

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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.