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Finding the Fourth Proportional to 252,857.46, 348,933.51 and 145,354.26

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Solution

The fourth proportional to 252,857.46, 348,933.51 and 145,354.26 is: 200,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,857.46 : 348,933.51 = 145,354.26 : x
  2. Step 2: Convert to fraction form
    252,857.46/348,933.51 = 145,354.26/x
  3. Step 3: Cross multiply
    252,857.46x = 348,933.51 × 145,354.26
  4. Step 4: Simplify right side
    252,857.46x = 50,718,972,135.25
  5. Step 5: Solve for x
    x = 50,718,972,135.25/252,857.46
  6. Step 6: Final answer
    x = 200,583.25

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1.5x scale

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.