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Finding the Fourth Proportional to 373,021.47, 559,532.21 and 92,538.72

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Solution

The fourth proportional to 373,021.47, 559,532.21 and 92,538.72 is: 138,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,021.47 : 559,532.21 = 92,538.72 : x
  2. Step 2: Convert to fraction form
    373,021.47/559,532.21 = 92,538.72/x
  3. Step 3: Cross multiply
    373,021.47x = 559,532.21 × 92,538.72
  4. Step 4: Simplify right side
    373,021.47x = 51,778,394,049.48
  5. Step 5: Solve for x
    x = 51,778,394,049.48/373,021.47
  6. Step 6: Final answer
    x = 138,808.08

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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.