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Finding the Fourth Proportional to 73,394.79, 101,247.75 and 43,160.86

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Solution

The fourth proportional to 73,394.79, 101,247.75 and 43,160.86 is: 59,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394.79 : 101,247.75 = 43,160.86 : x
  2. Step 2: Convert to fraction form
    73,394.79/101,247.75 = 43,160.86/x
  3. Step 3: Cross multiply
    73,394.79x = 101,247.75 × 43,160.86
  4. Step 4: Simplify right side
    73,394.79x = 4,369,939,963.07
  5. Step 5: Solve for x
    x = 4,369,939,963.07/73,394.79
  6. Step 6: Final answer
    x = 59,540.19

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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.