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Finding the Fourth Proportional to 194,744.64, 292,146.48 and 61,580.64

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Solution

The fourth proportional to 194,744.64, 292,146.48 and 61,580.64 is: 92,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,744.64 : 292,146.48 = 61,580.64 : x
  2. Step 2: Convert to fraction form
    194,744.64/292,146.48 = 61,580.64/x
  3. Step 3: Cross multiply
    194,744.64x = 292,146.48 × 61,580.64
  4. Step 4: Simplify right side
    194,744.64x = 17,990,567,212.15
  5. Step 5: Solve for x
    x = 17,990,567,212.15/194,744.64
  6. Step 6: Final answer
    x = 92,380.29

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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.