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Finding the Fourth Proportional to 167,510.84, 251,303.31 and 55,186.52

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Solution

The fourth proportional to 167,510.84, 251,303.31 and 55,186.52 is: 82,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,510.84 : 251,303.31 = 55,186.52 : x
  2. Step 2: Convert to fraction form
    167,510.84/251,303.31 = 55,186.52/x
  3. Step 3: Cross multiply
    167,510.84x = 251,303.31 × 55,186.52
  4. Step 4: Simplify right side
    167,510.84x = 13,868,553,886.86
  5. Step 5: Solve for x
    x = 13,868,553,886.86/167,510.84
  6. Step 6: Final answer
    x = 82,791.98

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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.