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Finding the Fourth Proportional to 131,965.60, 197,818.80 and 117,968.80

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Solution

The fourth proportional to 131,965.60, 197,818.80 and 117,968.80 is: 176,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,965.60 : 197,818.80 = 117,968.80 : x
  2. Step 2: Convert to fraction form
    131,965.60/197,818.80 = 117,968.80/x
  3. Step 3: Cross multiply
    131,965.60x = 197,818.80 × 117,968.80
  4. Step 4: Simplify right side
    131,965.60x = 23,336,446,453.44
  5. Step 5: Solve for x
    x = 23,336,446,453.44/131,965.60
  6. Step 6: Final answer
    x = 176,837.35

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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.