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Finding the Fourth Proportional to 184,956.40, 277,434.60 and 66,631.60

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Solution

The fourth proportional to 184,956.40, 277,434.60 and 66,631.60 is: 99,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,956.40 : 277,434.60 = 66,631.60 : x
  2. Step 2: Convert to fraction form
    184,956.40/277,434.60 = 66,631.60/x
  3. Step 3: Cross multiply
    184,956.40x = 277,434.60 × 66,631.60
  4. Step 4: Simplify right side
    184,956.40x = 18,485,911,293.36
  5. Step 5: Solve for x
    x = 18,485,911,293.36/184,956.40
  6. Step 6: Final answer
    x = 99,947.40

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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.