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Finding the Fourth Proportional to 185,330.22, 277,804.32 and 72,964.86

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Solution

The fourth proportional to 185,330.22, 277,804.32 and 72,964.86 is: 109,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,330.22 : 277,804.32 = 72,964.86 : x
  2. Step 2: Convert to fraction form
    185,330.22/277,804.32 = 72,964.86/x
  3. Step 3: Cross multiply
    185,330.22x = 277,804.32 × 72,964.86
  4. Step 4: Simplify right side
    185,330.22x = 20,269,953,316.20
  5. Step 5: Solve for x
    x = 20,269,953,316.20/185,330.22
  6. Step 6: Final answer
    x = 109,372.09

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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.