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Finding the Fourth Proportional to 292,183.91, 438,232.01 and 92,478.41

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Solution

The fourth proportional to 292,183.91, 438,232.01 and 92,478.41 is: 138,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,183.91 : 438,232.01 = 92,478.41 : x
  2. Step 2: Convert to fraction form
    292,183.91/438,232.01 = 92,478.41/x
  3. Step 3: Cross multiply
    292,183.91x = 438,232.01 × 92,478.41
  4. Step 4: Simplify right side
    292,183.91x = 40,526,996,842.35
  5. Step 5: Solve for x
    x = 40,526,996,842.35/292,183.91
  6. Step 6: Final answer
    x = 138,703.73

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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.