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Finding the Fourth Proportional to 281,372.83, 388,188.50 and 184,630.03

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Solution

The fourth proportional to 281,372.83, 388,188.50 and 184,630.03 is: 254,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,372.83 : 388,188.50 = 184,630.03 : x
  2. Step 2: Convert to fraction form
    281,372.83/388,188.50 = 184,630.03/x
  3. Step 3: Cross multiply
    281,372.83x = 388,188.50 × 184,630.03
  4. Step 4: Simplify right side
    281,372.83x = 71,671,253,477.50
  5. Step 5: Solve for x
    x = 71,671,253,477.50/281,372.83
  6. Step 6: Final answer
    x = 254,719.88

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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.