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Finding the Fourth Proportional to 184,898.40, 255,131.28 and 104,319.60

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Solution

The fourth proportional to 184,898.40, 255,131.28 and 104,319.60 is: 143,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,898.40 : 255,131.28 = 104,319.60 : x
  2. Step 2: Convert to fraction form
    184,898.40/255,131.28 = 104,319.60/x
  3. Step 3: Cross multiply
    184,898.40x = 255,131.28 × 104,319.60
  4. Step 4: Simplify right side
    184,898.40x = 26,615,193,077.09
  5. Step 5: Solve for x
    x = 26,615,193,077.09/184,898.40
  6. Step 6: Final answer
    x = 143,944.96

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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.