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Finding the Fourth Proportional to 184,791.20, 277,186.80 and 66,466.40

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Solution

The fourth proportional to 184,791.20, 277,186.80 and 66,466.40 is: 99,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,791.20 : 277,186.80 = 66,466.40 : x
  2. Step 2: Convert to fraction form
    184,791.20/277,186.80 = 66,466.40/x
  3. Step 3: Cross multiply
    184,791.20x = 277,186.80 × 66,466.40
  4. Step 4: Simplify right side
    184,791.20x = 18,423,608,723.52
  5. Step 5: Solve for x
    x = 18,423,608,723.52/184,791.20
  6. Step 6: Final answer
    x = 99,699.60

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1.5x scale

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.