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Finding the Fourth Proportional to 184,612.75, 254,765.60 and 99,729.82

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Solution

The fourth proportional to 184,612.75, 254,765.60 and 99,729.82 is: 137,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,612.75 : 254,765.60 = 99,729.82 : x
  2. Step 2: Convert to fraction form
    184,612.75/254,765.60 = 99,729.82/x
  3. Step 3: Cross multiply
    184,612.75x = 254,765.60 × 99,729.82
  4. Step 4: Simplify right side
    184,612.75x = 25,407,727,430.19
  5. Step 5: Solve for x
    x = 25,407,727,430.19/184,612.75
  6. Step 6: Final answer
    x = 137,627.15

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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.