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Finding the Fourth Proportional to 252,459.17, 348,424.49 and 145,028.97

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Solution

The fourth proportional to 252,459.17, 348,424.49 and 145,028.97 is: 200,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,459.17 : 348,424.49 = 145,028.97 : x
  2. Step 2: Convert to fraction form
    252,459.17/348,424.49 = 145,028.97/x
  3. Step 3: Cross multiply
    252,459.17x = 348,424.49 × 145,028.97
  4. Step 4: Simplify right side
    252,459.17x = 50,531,644,182.33
  5. Step 5: Solve for x
    x = 50,531,644,182.33/252,459.17
  6. Step 6: Final answer
    x = 200,157.69

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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.