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Finding the Fourth Proportional to 101,640.42, 152,600.27 and 51,754.03

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Solution

The fourth proportional to 101,640.42, 152,600.27 and 51,754.03 is: 77,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,640.42 : 152,600.27 = 51,754.03 : x
  2. Step 2: Convert to fraction form
    101,640.42/152,600.27 = 51,754.03/x
  3. Step 3: Cross multiply
    101,640.42x = 152,600.27 × 51,754.03
  4. Step 4: Simplify right side
    101,640.42x = 7,897,678,951.59
  5. Step 5: Solve for x
    x = 7,897,678,951.59/101,640.42
  6. Step 6: Final answer
    x = 77,702.15

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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.