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Finding the Fourth Proportional to 545,227.08, 817,929.39 and 161,014.80

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Solution

The fourth proportional to 545,227.08, 817,929.39 and 161,014.80 is: 241,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,227.08 : 817,929.39 = 161,014.80 : x
  2. Step 2: Convert to fraction form
    545,227.08/817,929.39 = 161,014.80/x
  3. Step 3: Cross multiply
    545,227.08x = 817,929.39 × 161,014.80
  4. Step 4: Simplify right side
    545,227.08x = 131,698,732,556.17
  5. Step 5: Solve for x
    x = 131,698,732,556.17/545,227.08
  6. Step 6: Final answer
    x = 241,548.41

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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.