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Finding the Fourth Proportional to 196,959.60, 295,658.10 and 122,164.20

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Solution

The fourth proportional to 196,959.60, 295,658.10 and 122,164.20 is: 183,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,959.60 : 295,658.10 = 122,164.20 : x
  2. Step 2: Convert to fraction form
    196,959.60/295,658.10 = 122,164.20/x
  3. Step 3: Cross multiply
    196,959.60x = 295,658.10 × 122,164.20
  4. Step 4: Simplify right side
    196,959.60x = 36,118,835,260.02
  5. Step 5: Solve for x
    x = 36,118,835,260.02/196,959.60
  6. Step 6: Final answer
    x = 183,381.95

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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.