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Finding the Fourth Proportional to 73,503.11, 110,115.55 and 43,427.41

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Solution

The fourth proportional to 73,503.11, 110,115.55 and 43,427.41 is: 65,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.11 : 110,115.55 = 43,427.41 : x
  2. Step 2: Convert to fraction form
    73,503.11/110,115.55 = 43,427.41/x
  3. Step 3: Cross multiply
    73,503.11x = 110,115.55 × 43,427.41
  4. Step 4: Simplify right side
    73,503.11x = 4,782,032,916.22
  5. Step 5: Solve for x
    x = 4,782,032,916.22/73,503.11
  6. Step 6: Final answer
    x = 65,058.92

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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.