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Finding the Fourth Proportional to 185,958.64, 256,621.50 and 101,076.30

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Solution

The fourth proportional to 185,958.64, 256,621.50 and 101,076.30 is: 139,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,958.64 : 256,621.50 = 101,076.30 : x
  2. Step 2: Convert to fraction form
    185,958.64/256,621.50 = 101,076.30/x
  3. Step 3: Cross multiply
    185,958.64x = 256,621.50 × 101,076.30
  4. Step 4: Simplify right side
    185,958.64x = 25,938,351,720.45
  5. Step 5: Solve for x
    x = 25,938,351,720.45/185,958.64
  6. Step 6: Final answer
    x = 139,484.52

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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.