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Finding the Fourth Proportional to 356,001.69, 533,919.46 and 103,214.33

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Solution

The fourth proportional to 356,001.69, 533,919.46 and 103,214.33 is: 154,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.69 : 533,919.46 = 103,214.33 : x
  2. Step 2: Convert to fraction form
    356,001.69/533,919.46 = 103,214.33/x
  3. Step 3: Cross multiply
    356,001.69x = 533,919.46 × 103,214.33
  4. Step 4: Simplify right side
    356,001.69x = 55,108,139,337.86
  5. Step 5: Solve for x
    x = 55,108,139,337.86/356,001.69
  6. Step 6: Final answer
    x = 154,797.41

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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.