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Finding the Fourth Proportional to 73,695.71, 101,687.64 and 41,426.07

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Solution

The fourth proportional to 73,695.71, 101,687.64 and 41,426.07 is: 57,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695.71 : 101,687.64 = 41,426.07 : x
  2. Step 2: Convert to fraction form
    73,695.71/101,687.64 = 41,426.07/x
  3. Step 3: Cross multiply
    73,695.71x = 101,687.64 × 41,426.07
  4. Step 4: Simplify right side
    73,695.71x = 4,212,518,989.12
  5. Step 5: Solve for x
    x = 4,212,518,989.12/73,695.71
  6. Step 6: Final answer
    x = 57,160.98

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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.