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Finding the Fourth Proportional to 144,338.04, 199,178.41 and 79,803.52

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Solution

The fourth proportional to 144,338.04, 199,178.41 and 79,803.52 is: 110,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,338.04 : 199,178.41 = 79,803.52 : x
  2. Step 2: Convert to fraction form
    144,338.04/199,178.41 = 79,803.52/x
  3. Step 3: Cross multiply
    144,338.04x = 199,178.41 × 79,803.52
  4. Step 4: Simplify right side
    144,338.04x = 15,895,138,226.00
  5. Step 5: Solve for x
    x = 15,895,138,226.00/144,338.04
  6. Step 6: Final answer
    x = 110,124.39

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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.