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Finding the Fourth Proportional to 74,771.62, 103,181.98 and 41,237.62

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Solution

The fourth proportional to 74,771.62, 103,181.98 and 41,237.62 is: 56,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771.62 : 103,181.98 = 41,237.62 : x
  2. Step 2: Convert to fraction form
    74,771.62/103,181.98 = 41,237.62/x
  3. Step 3: Cross multiply
    74,771.62x = 103,181.98 × 41,237.62
  4. Step 4: Simplify right side
    74,771.62x = 4,254,978,663.08
  5. Step 5: Solve for x
    x = 4,254,978,663.08/74,771.62
  6. Step 6: Final answer
    x = 56,906.34

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1.5x scale

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.