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Finding the Fourth Proportional to 196,951.80, 295,427.70 and 56,724.60

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Solution

The fourth proportional to 196,951.80, 295,427.70 and 56,724.60 is: 85,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,951.80 : 295,427.70 = 56,724.60 : x
  2. Step 2: Convert to fraction form
    196,951.80/295,427.70 = 56,724.60/x
  3. Step 3: Cross multiply
    196,951.80x = 295,427.70 × 56,724.60
  4. Step 4: Simplify right side
    196,951.80x = 16,758,018,111.42
  5. Step 5: Solve for x
    x = 16,758,018,111.42/196,951.80
  6. Step 6: Final answer
    x = 85,086.90

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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.