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Finding the Fourth Proportional to 101,813.79, 152,720.87 and 41,800.47

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Solution

The fourth proportional to 101,813.79, 152,720.87 and 41,800.47 is: 62,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,813.79 : 152,720.87 = 41,800.47 : x
  2. Step 2: Convert to fraction form
    101,813.79/152,720.87 = 41,800.47/x
  3. Step 3: Cross multiply
    101,813.79x = 152,720.87 × 41,800.47
  4. Step 4: Simplify right side
    101,813.79x = 6,383,804,665.26
  5. Step 5: Solve for x
    x = 6,383,804,665.26/101,813.79
  6. Step 6: Final answer
    x = 62,700.79

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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.