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Finding the Fourth Proportional to 271,837.98, 407,804.37 and 103,372.77

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Solution

The fourth proportional to 271,837.98, 407,804.37 and 103,372.77 is: 155,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,837.98 : 407,804.37 = 103,372.77 : x
  2. Step 2: Convert to fraction form
    271,837.98/407,804.37 = 103,372.77/x
  3. Step 3: Cross multiply
    271,837.98x = 407,804.37 × 103,372.77
  4. Step 4: Simplify right side
    271,837.98x = 42,155,867,345.00
  5. Step 5: Solve for x
    x = 42,155,867,345.00/271,837.98
  6. Step 6: Final answer
    x = 155,077.18

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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.