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Finding the Fourth Proportional to 131,253.84, 181,130.85 and 73,894.14

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Solution

The fourth proportional to 131,253.84, 181,130.85 and 73,894.14 is: 101,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,253.84 : 181,130.85 = 73,894.14 : x
  2. Step 2: Convert to fraction form
    131,253.84/181,130.85 = 73,894.14/x
  3. Step 3: Cross multiply
    131,253.84x = 181,130.85 × 73,894.14
  4. Step 4: Simplify right side
    131,253.84x = 13,384,508,388.22
  5. Step 5: Solve for x
    x = 13,384,508,388.22/131,253.84
  6. Step 6: Final answer
    x = 101,974.22

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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.