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Finding the Fourth Proportional to 73,491.91, 101,411.07 and 43,275.25

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Solution

The fourth proportional to 73,491.91, 101,411.07 and 43,275.25 is: 59,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491.91 : 101,411.07 = 43,275.25 : x
  2. Step 2: Convert to fraction form
    73,491.91/101,411.07 = 43,275.25/x
  3. Step 3: Cross multiply
    73,491.91x = 101,411.07 × 43,275.25
  4. Step 4: Simplify right side
    73,491.91x = 4,388,589,407.02
  5. Step 5: Solve for x
    x = 4,388,589,407.02/73,491.91
  6. Step 6: Final answer
    x = 59,715.27

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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.