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Finding the Fourth Proportional to 101,348.37, 152,087.84 and 54,633.81

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Solution

The fourth proportional to 101,348.37, 152,087.84 and 54,633.81 is: 81,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,348.37 : 152,087.84 = 54,633.81 : x
  2. Step 2: Convert to fraction form
    101,348.37/152,087.84 = 54,633.81/x
  3. Step 3: Cross multiply
    101,348.37x = 152,087.84 × 54,633.81
  4. Step 4: Simplify right side
    101,348.37x = 8,309,137,880.70
  5. Step 5: Solve for x
    x = 8,309,137,880.70/101,348.37
  6. Step 6: Final answer
    x = 81,985.91

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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.