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Finding the Fourth Proportional to 116,768.78, 161,073.76 and 73,732.94

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Solution

The fourth proportional to 116,768.78, 161,073.76 and 73,732.94 is: 101,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768.78 : 161,073.76 = 73,732.94 : x
  2. Step 2: Convert to fraction form
    116,768.78/161,073.76 = 73,732.94/x
  3. Step 3: Cross multiply
    116,768.78x = 161,073.76 × 73,732.94
  4. Step 4: Simplify right side
    116,768.78x = 11,876,441,881.65
  5. Step 5: Solve for x
    x = 11,876,441,881.65/116,768.78
  6. Step 6: Final answer
    x = 101,709.05

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1.5x scale

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.