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Finding the Fourth Proportional to 113,850.84, 157,191.66 and 73,661.88

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Solution

The fourth proportional to 113,850.84, 157,191.66 and 73,661.88 is: 101,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,850.84 : 157,191.66 = 73,661.88 : x
  2. Step 2: Convert to fraction form
    113,850.84/157,191.66 = 73,661.88/x
  3. Step 3: Cross multiply
    113,850.84x = 157,191.66 × 73,661.88
  4. Step 4: Simplify right side
    113,850.84x = 11,579,033,195.92
  5. Step 5: Solve for x
    x = 11,579,033,195.92/113,850.84
  6. Step 6: Final answer
    x = 101,703.54

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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.