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Finding the Fourth Proportional to 133,648, 184,434.24 and 74,043.52

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Solution

The fourth proportional to 133,648, 184,434.24 and 74,043.52 is: 102,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648 : 184,434.24 = 74,043.52 : x
  2. Step 2: Convert to fraction form
    133,648/184,434.24 = 74,043.52/x
  3. Step 3: Cross multiply
    133,648x = 184,434.24 × 74,043.52
  4. Step 4: Simplify right side
    133,648x = 13,656,160,338.12
  5. Step 5: Solve for x
    x = 13,656,160,338.12/133,648
  6. Step 6: Final answer
    x = 102,180.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.