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Finding the Fourth Proportional to 73,141.94, 109,707.43 and 26,394.81

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Solution

The fourth proportional to 73,141.94, 109,707.43 and 26,394.81 is: 39,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.94 : 109,707.43 = 26,394.81 : x
  2. Step 2: Convert to fraction form
    73,141.94/109,707.43 = 26,394.81/x
  3. Step 3: Cross multiply
    73,141.94x = 109,707.43 × 26,394.81
  4. Step 4: Simplify right side
    73,141.94x = 2,895,706,959.64
  5. Step 5: Solve for x
    x = 2,895,706,959.64/73,141.94
  6. Step 6: Final answer
    x = 39,590.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.