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Finding the Fourth Proportional to 222,002.95, 332,621.70 and 103,431.10

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Solution

The fourth proportional to 222,002.95, 332,621.70 and 103,431.10 is: 154,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.95 : 332,621.70 = 103,431.10 : x
  2. Step 2: Convert to fraction form
    222,002.95/332,621.70 = 103,431.10/x
  3. Step 3: Cross multiply
    222,002.95x = 332,621.70 × 103,431.10
  4. Step 4: Simplify right side
    222,002.95x = 34,403,428,314.87
  5. Step 5: Solve for x
    x = 34,403,428,314.87/222,002.95
  6. Step 6: Final answer
    x = 154,968.34

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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.