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Finding the Fourth Proportional to 167,395.91, 251,066.12 and 55,077.53

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Solution

The fourth proportional to 167,395.91, 251,066.12 and 55,077.53 is: 82,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,395.91 : 251,066.12 = 55,077.53 : x
  2. Step 2: Convert to fraction form
    167,395.91/251,066.12 = 55,077.53/x
  3. Step 3: Cross multiply
    167,395.91x = 251,066.12 × 55,077.53
  4. Step 4: Simplify right side
    167,395.91x = 13,828,100,225.57
  5. Step 5: Solve for x
    x = 13,828,100,225.57/167,395.91
  6. Step 6: Final answer
    x = 82,607.16

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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.