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Finding the Fourth Proportional to 74,201.11, 111,117.03 and 51,910.11

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Solution

The fourth proportional to 74,201.11, 111,117.03 and 51,910.11 is: 77,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.11 : 111,117.03 = 51,910.11 : x
  2. Step 2: Convert to fraction form
    74,201.11/111,117.03 = 51,910.11/x
  3. Step 3: Cross multiply
    74,201.11x = 111,117.03 × 51,910.11
  4. Step 4: Simplify right side
    74,201.11x = 5,768,097,250.17
  5. Step 5: Solve for x
    x = 5,768,097,250.17/74,201.11
  6. Step 6: Final answer
    x = 77,736.00

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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.