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Finding the Fourth Proportional to 65,001.90, 89,744.31 and 53,093.82

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Solution

The fourth proportional to 65,001.90, 89,744.31 and 53,093.82 is: 73,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.90 : 89,744.31 = 53,093.82 : x
  2. Step 2: Convert to fraction form
    65,001.90/89,744.31 = 53,093.82/x
  3. Step 3: Cross multiply
    65,001.90x = 89,744.31 × 53,093.82
  4. Step 4: Simplify right side
    65,001.90x = 4,764,868,241.16
  5. Step 5: Solve for x
    x = 4,764,868,241.16/65,001.90
  6. Step 6: Final answer
    x = 73,303.52

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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.