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Finding the Fourth Proportional to 167,607.72, 251,312.76 and 83,364.48

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Solution

The fourth proportional to 167,607.72, 251,312.76 and 83,364.48 is: 124,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,607.72 : 251,312.76 = 83,364.48 : x
  2. Step 2: Convert to fraction form
    167,607.72/251,312.76 = 83,364.48/x
  3. Step 3: Cross multiply
    167,607.72x = 251,312.76 × 83,364.48
  4. Step 4: Simplify right side
    167,607.72x = 20,950,557,554.76
  5. Step 5: Solve for x
    x = 20,950,557,554.76/167,607.72
  6. Step 6: Final answer
    x = 124,997.57

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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.