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Finding the Fourth Proportional to 117,727.80, 176,583.60 and 37,764.60

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Solution

The fourth proportional to 117,727.80, 176,583.60 and 37,764.60 is: 56,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,727.80 : 176,583.60 = 37,764.60 : x
  2. Step 2: Convert to fraction form
    117,727.80/176,583.60 = 37,764.60/x
  3. Step 3: Cross multiply
    117,727.80x = 176,583.60 × 37,764.60
  4. Step 4: Simplify right side
    117,727.80x = 6,668,609,020.56
  5. Step 5: Solve for x
    x = 6,668,609,020.56/117,727.80
  6. Step 6: Final answer
    x = 56,644.30

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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.