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Finding the Fourth Proportional to 194,760.78, 292,173.44 and 68,368.22

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Solution

The fourth proportional to 194,760.78, 292,173.44 and 68,368.22 is: 102,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,760.78 : 292,173.44 = 68,368.22 : x
  2. Step 2: Convert to fraction form
    194,760.78/292,173.44 = 68,368.22/x
  3. Step 3: Cross multiply
    194,760.78x = 292,173.44 × 68,368.22
  4. Step 4: Simplify right side
    194,760.78x = 19,975,378,024.08
  5. Step 5: Solve for x
    x = 19,975,378,024.08/194,760.78
  6. Step 6: Final answer
    x = 102,563.66

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1.5x scale

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.