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Finding the Fourth Proportional to 538,056.10, 807,081.99 and 164,078.02

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Solution

The fourth proportional to 538,056.10, 807,081.99 and 164,078.02 is: 246,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,056.10 : 807,081.99 = 164,078.02 : x
  2. Step 2: Convert to fraction form
    538,056.10/807,081.99 = 164,078.02/x
  3. Step 3: Cross multiply
    538,056.10x = 807,081.99 × 164,078.02
  4. Step 4: Simplify right side
    538,056.10x = 132,424,414,896.86
  5. Step 5: Solve for x
    x = 132,424,414,896.86/538,056.10
  6. Step 6: Final answer
    x = 246,116.37

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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.