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Finding the Fourth Proportional to 167,916.53, 251,670.67 and 79,066.01

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Solution

The fourth proportional to 167,916.53, 251,670.67 and 79,066.01 is: 118,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.53 : 251,670.67 = 79,066.01 : x
  2. Step 2: Convert to fraction form
    167,916.53/251,670.67 = 79,066.01/x
  3. Step 3: Cross multiply
    167,916.53x = 251,670.67 × 79,066.01
  4. Step 4: Simplify right side
    167,916.53x = 19,898,595,710.93
  5. Step 5: Solve for x
    x = 19,898,595,710.93/167,916.53
  6. Step 6: Final answer
    x = 118,502.90

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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.