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Finding the Fourth Proportional to 101,018.76, 151,528.08 and 41,838.48

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Solution

The fourth proportional to 101,018.76, 151,528.08 and 41,838.48 is: 62,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,018.76 : 151,528.08 = 41,838.48 : x
  2. Step 2: Convert to fraction form
    101,018.76/151,528.08 = 41,838.48/x
  3. Step 3: Cross multiply
    101,018.76x = 151,528.08 × 41,838.48
  4. Step 4: Simplify right side
    101,018.76x = 6,339,704,544.52
  5. Step 5: Solve for x
    x = 6,339,704,544.52/101,018.76
  6. Step 6: Final answer
    x = 62,757.70

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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.