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Finding the Fourth Proportional to 196,161.60, 294,280.80 and 83,841.60

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Solution

The fourth proportional to 196,161.60, 294,280.80 and 83,841.60 is: 125,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,161.60 : 294,280.80 = 83,841.60 : x
  2. Step 2: Convert to fraction form
    196,161.60/294,280.80 = 83,841.60/x
  3. Step 3: Cross multiply
    196,161.60x = 294,280.80 × 83,841.60
  4. Step 4: Simplify right side
    196,161.60x = 24,672,973,121.28
  5. Step 5: Solve for x
    x = 24,672,973,121.28/196,161.60
  6. Step 6: Final answer
    x = 125,778.81

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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.