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Finding the Fourth Proportional to 109,768.84, 151,480.94 and 59,467.84

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Solution

The fourth proportional to 109,768.84, 151,480.94 and 59,467.84 is: 82,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.84 : 151,480.94 = 59,467.84 : x
  2. Step 2: Convert to fraction form
    109,768.84/151,480.94 = 59,467.84/x
  3. Step 3: Cross multiply
    109,768.84x = 151,480.94 × 59,467.84
  4. Step 4: Simplify right side
    109,768.84x = 9,008,244,302.97
  5. Step 5: Solve for x
    x = 9,008,244,302.97/109,768.84
  6. Step 6: Final answer
    x = 82,065.59

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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.