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Finding the Fourth Proportional to 223,443.42, 335,247.74 and 103,557.54

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Solution

The fourth proportional to 223,443.42, 335,247.74 and 103,557.54 is: 155,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,443.42 : 335,247.74 = 103,557.54 : x
  2. Step 2: Convert to fraction form
    223,443.42/335,247.74 = 103,557.54/x
  3. Step 3: Cross multiply
    223,443.42x = 335,247.74 × 103,557.54
  4. Step 4: Simplify right side
    223,443.42x = 34,717,431,244.96
  5. Step 5: Solve for x
    x = 34,717,431,244.96/223,443.42
  6. Step 6: Final answer
    x = 155,374.60

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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.