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Finding the Fourth Proportional to 356,001.56, 533,919.28 and 103,214.20

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Solution

The fourth proportional to 356,001.56, 533,919.28 and 103,214.20 is: 154,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.56 : 533,919.28 = 103,214.20 : x
  2. Step 2: Convert to fraction form
    356,001.56/533,919.28 = 103,214.20/x
  3. Step 3: Cross multiply
    356,001.56x = 533,919.28 × 103,214.20
  4. Step 4: Simplify right side
    356,001.56x = 55,108,052,426.54
  5. Step 5: Solve for x
    x = 55,108,052,426.54/356,001.56
  6. Step 6: Final answer
    x = 154,797.22

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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.