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Finding the Fourth Proportional to 196,693.20, 295,039.80 and 194,943.60

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Solution

The fourth proportional to 196,693.20, 295,039.80 and 194,943.60 is: 292,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,693.20 : 295,039.80 = 194,943.60 : x
  2. Step 2: Convert to fraction form
    196,693.20/295,039.80 = 194,943.60/x
  3. Step 3: Cross multiply
    196,693.20x = 295,039.80 × 194,943.60
  4. Step 4: Simplify right side
    196,693.20x = 57,516,120,755.28
  5. Step 5: Solve for x
    x = 57,516,120,755.28/196,693.20
  6. Step 6: Final answer
    x = 292,415.40

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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.