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Finding the Fourth Proportional to 73,368.84, 109,945.38 and 43,352.22

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Solution

The fourth proportional to 73,368.84, 109,945.38 and 43,352.22 is: 64,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,368.84 : 109,945.38 = 43,352.22 : x
  2. Step 2: Convert to fraction form
    73,368.84/109,945.38 = 43,352.22/x
  3. Step 3: Cross multiply
    73,368.84x = 109,945.38 × 43,352.22
  4. Step 4: Simplify right side
    73,368.84x = 4,766,376,301.74
  5. Step 5: Solve for x
    x = 4,766,376,301.74/73,368.84
  6. Step 6: Final answer
    x = 64,964.59

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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.