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Finding the Fourth Proportional to 223,247.12, 334,916.80 and 73,496.42

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Solution

The fourth proportional to 223,247.12, 334,916.80 and 73,496.42 is: 110,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,247.12 : 334,916.80 = 73,496.42 : x
  2. Step 2: Convert to fraction form
    223,247.12/334,916.80 = 73,496.42/x
  3. Step 3: Cross multiply
    223,247.12x = 334,916.80 × 73,496.42
  4. Step 4: Simplify right side
    223,247.12x = 24,615,185,797.86
  5. Step 5: Solve for x
    x = 24,615,185,797.86/223,247.12
  6. Step 6: Final answer
    x = 110,259.81

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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.