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Finding the Fourth Proportional to 184,745.64, 277,007.40 and 72,291.72

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Solution

The fourth proportional to 184,745.64, 277,007.40 and 72,291.72 is: 108,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,745.64 : 277,007.40 = 72,291.72 : x
  2. Step 2: Convert to fraction form
    184,745.64/277,007.40 = 72,291.72/x
  3. Step 3: Cross multiply
    184,745.64x = 277,007.40 × 72,291.72
  4. Step 4: Simplify right side
    184,745.64x = 20,025,341,398.73
  5. Step 5: Solve for x
    x = 20,025,341,398.73/184,745.64
  6. Step 6: Final answer
    x = 108,394.12

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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.