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Finding the Fourth Proportional to 194,855.28, 292,110.12 and 94,959.60

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Solution

The fourth proportional to 194,855.28, 292,110.12 and 94,959.60 is: 142,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,855.28 : 292,110.12 = 94,959.60 : x
  2. Step 2: Convert to fraction form
    194,855.28/292,110.12 = 94,959.60/x
  3. Step 3: Cross multiply
    194,855.28x = 292,110.12 × 94,959.60
  4. Step 4: Simplify right side
    194,855.28x = 27,738,660,151.15
  5. Step 5: Solve for x
    x = 27,738,660,151.15/194,855.28
  6. Step 6: Final answer
    x = 142,355.19

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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.