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Finding the Fourth Proportional to 223,924.83, 309,079.83 and 147,499.71

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Solution

The fourth proportional to 223,924.83, 309,079.83 and 147,499.71 is: 203,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,924.83 : 309,079.83 = 147,499.71 : x
  2. Step 2: Convert to fraction form
    223,924.83/309,079.83 = 147,499.71/x
  3. Step 3: Cross multiply
    223,924.83x = 309,079.83 × 147,499.71
  4. Step 4: Simplify right side
    223,924.83x = 45,589,185,291.85
  5. Step 5: Solve for x
    x = 45,589,185,291.85/223,924.83
  6. Step 6: Final answer
    x = 203,591.47

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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.