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Finding the Fourth Proportional to 73,507.23, 101,424.34 and 43,281.53

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Solution

The fourth proportional to 73,507.23, 101,424.34 and 43,281.53 is: 59,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507.23 : 101,424.34 = 43,281.53 : x
  2. Step 2: Convert to fraction form
    73,507.23/101,424.34 = 43,281.53/x
  3. Step 3: Cross multiply
    73,507.23x = 101,424.34 × 43,281.53
  4. Step 4: Simplify right side
    73,507.23x = 4,389,800,614.44
  5. Step 5: Solve for x
    x = 4,389,800,614.44/73,507.23
  6. Step 6: Final answer
    x = 59,719.30

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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.