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Finding the Fourth Proportional to 250,809.60, 376,300.80 and 110,668.80

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Solution

The fourth proportional to 250,809.60, 376,300.80 and 110,668.80 is: 166,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,809.60 : 376,300.80 = 110,668.80 : x
  2. Step 2: Convert to fraction form
    250,809.60/376,300.80 = 110,668.80/x
  3. Step 3: Cross multiply
    250,809.60x = 376,300.80 × 110,668.80
  4. Step 4: Simplify right side
    250,809.60x = 41,644,757,975.04
  5. Step 5: Solve for x
    x = 41,644,757,975.04/250,809.60
  6. Step 6: Final answer
    x = 166,041.32

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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.