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Finding the Fourth Proportional to 359,040.09, 538,558.52 and 92,777.97

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Solution

The fourth proportional to 359,040.09, 538,558.52 and 92,777.97 is: 139,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,040.09 : 538,558.52 = 92,777.97 : x
  2. Step 2: Convert to fraction form
    359,040.09/538,558.52 = 92,777.97/x
  3. Step 3: Cross multiply
    359,040.09x = 538,558.52 × 92,777.97
  4. Step 4: Simplify right side
    359,040.09x = 49,966,365,747.91
  5. Step 5: Solve for x
    x = 49,966,365,747.91/359,040.09
  6. Step 6: Final answer
    x = 139,166.54

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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.