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Finding the Fourth Proportional to 167,737.79, 251,631.51 and 55,429.85

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Solution

The fourth proportional to 167,737.79, 251,631.51 and 55,429.85 is: 83,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,737.79 : 251,631.51 = 55,429.85 : x
  2. Step 2: Convert to fraction form
    167,737.79/251,631.51 = 55,429.85/x
  3. Step 3: Cross multiply
    167,737.79x = 251,631.51 × 55,429.85
  4. Step 4: Simplify right side
    167,737.79x = 13,947,896,854.57
  5. Step 5: Solve for x
    x = 13,947,896,854.57/167,737.79
  6. Step 6: Final answer
    x = 83,152.98

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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.