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Finding the Fourth Proportional to 252,424.26, 348,283.32 and 154,282.64

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Solution

The fourth proportional to 252,424.26, 348,283.32 and 154,282.64 is: 212,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,424.26 : 348,283.32 = 154,282.64 : x
  2. Step 2: Convert to fraction form
    252,424.26/348,283.32 = 154,282.64/x
  3. Step 3: Cross multiply
    252,424.26x = 348,283.32 × 154,282.64
  4. Step 4: Simplify right side
    252,424.26x = 53,734,070,077.56
  5. Step 5: Solve for x
    x = 53,734,070,077.56/252,424.26
  6. Step 6: Final answer
    x = 212,872.05

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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.