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Finding the Fourth Proportional to 73,058.49, 100,815.95 and 40,796.15

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Solution

The fourth proportional to 73,058.49, 100,815.95 and 40,796.15 is: 56,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058.49 : 100,815.95 = 40,796.15 : x
  2. Step 2: Convert to fraction form
    73,058.49/100,815.95 = 40,796.15/x
  3. Step 3: Cross multiply
    73,058.49x = 100,815.95 × 40,796.15
  4. Step 4: Simplify right side
    73,058.49x = 4,112,902,216.50
  5. Step 5: Solve for x
    x = 4,112,902,216.50/73,058.49
  6. Step 6: Final answer
    x = 56,296.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.