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Finding the Fourth Proportional to 144,692.52, 199,671.03 and 80,159.12

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Solution

The fourth proportional to 144,692.52, 199,671.03 and 80,159.12 is: 110,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,692.52 : 199,671.03 = 80,159.12 : x
  2. Step 2: Convert to fraction form
    144,692.52/199,671.03 = 80,159.12/x
  3. Step 3: Cross multiply
    144,692.52x = 199,671.03 × 80,159.12
  4. Step 4: Simplify right side
    144,692.52x = 16,005,453,055.94
  5. Step 5: Solve for x
    x = 16,005,453,055.94/144,692.52
  6. Step 6: Final answer
    x = 110,617.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.