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Finding the Fourth Proportional to 222,573.29, 307,291.32 and 154,568.52

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Solution

The fourth proportional to 222,573.29, 307,291.32 and 154,568.52 is: 213,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,573.29 : 307,291.32 = 154,568.52 : x
  2. Step 2: Convert to fraction form
    222,573.29/307,291.32 = 154,568.52/x
  3. Step 3: Cross multiply
    222,573.29x = 307,291.32 × 154,568.52
  4. Step 4: Simplify right side
    222,573.29x = 47,497,564,541.25
  5. Step 5: Solve for x
    x = 47,497,564,541.25/222,573.29
  6. Step 6: Final answer
    x = 213,401.91

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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.