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Finding the Fourth Proportional to 196,336.66, 294,294.75 and 77,843.86

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Solution

The fourth proportional to 196,336.66, 294,294.75 and 77,843.86 is: 116,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,336.66 : 294,294.75 = 77,843.86 : x
  2. Step 2: Convert to fraction form
    196,336.66/294,294.75 = 77,843.86/x
  3. Step 3: Cross multiply
    196,336.66x = 294,294.75 × 77,843.86
  4. Step 4: Simplify right side
    196,336.66x = 22,909,039,317.74
  5. Step 5: Solve for x
    x = 22,909,039,317.74/196,336.66
  6. Step 6: Final answer
    x = 116,682.43

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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.