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Finding the Fourth Proportional to 184,766.70, 254,978.42 and 99,883.76

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Solution

The fourth proportional to 184,766.70, 254,978.42 and 99,883.76 is: 137,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,766.70 : 254,978.42 = 99,883.76 : x
  2. Step 2: Convert to fraction form
    184,766.70/254,978.42 = 99,883.76/x
  3. Step 3: Cross multiply
    184,766.70x = 254,978.42 × 99,883.76
  4. Step 4: Simplify right side
    184,766.70x = 25,468,203,308.46
  5. Step 5: Solve for x
    x = 25,468,203,308.46/184,766.70
  6. Step 6: Final answer
    x = 137,839.79

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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.