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Finding the Fourth Proportional to 194,975.60, 292,236.60 and 89,805.20

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Solution

The fourth proportional to 194,975.60, 292,236.60 and 89,805.20 is: 134,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,975.60 : 292,236.60 = 89,805.20 : x
  2. Step 2: Convert to fraction form
    194,975.60/292,236.60 = 89,805.20/x
  3. Step 3: Cross multiply
    194,975.60x = 292,236.60 × 89,805.20
  4. Step 4: Simplify right side
    194,975.60x = 26,244,366,310.32
  5. Step 5: Solve for x
    x = 26,244,366,310.32/194,975.60
  6. Step 6: Final answer
    x = 134,603.34

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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.