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Finding the Fourth Proportional to 101,186.67, 151,787.34 and 38,857.17

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Solution

The fourth proportional to 101,186.67, 151,787.34 and 38,857.17 is: 58,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,186.67 : 151,787.34 = 38,857.17 : x
  2. Step 2: Convert to fraction form
    101,186.67/151,787.34 = 38,857.17/x
  3. Step 3: Cross multiply
    101,186.67x = 151,787.34 × 38,857.17
  4. Step 4: Simplify right side
    101,186.67x = 5,898,026,474.23
  5. Step 5: Solve for x
    x = 5,898,026,474.23/101,186.67
  6. Step 6: Final answer
    x = 58,288.57

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1.5x scale

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.