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Finding the Fourth Proportional to 73,354.95, 109,890.95 and 43,796.43

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Solution

The fourth proportional to 73,354.95, 109,890.95 and 43,796.43 is: 65,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354.95 : 109,890.95 = 43,796.43 : x
  2. Step 2: Convert to fraction form
    73,354.95/109,890.95 = 43,796.43/x
  3. Step 3: Cross multiply
    73,354.95x = 109,890.95 × 43,796.43
  4. Step 4: Simplify right side
    73,354.95x = 4,812,831,080.33
  5. Step 5: Solve for x
    x = 4,812,831,080.33/73,354.95
  6. Step 6: Final answer
    x = 65,610.17

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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.