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Finding the Fourth Proportional to 186,198.01, 278,758.44 and 166,968.80

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Solution

The fourth proportional to 186,198.01, 278,758.44 and 166,968.80 is: 249,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,198.01 : 278,758.44 = 166,968.80 : x
  2. Step 2: Convert to fraction form
    186,198.01/278,758.44 = 166,968.80/x
  3. Step 3: Cross multiply
    186,198.01x = 278,758.44 × 166,968.80
  4. Step 4: Simplify right side
    186,198.01x = 46,543,962,216.67
  5. Step 5: Solve for x
    x = 46,543,962,216.67/186,198.01
  6. Step 6: Final answer
    x = 249,970.25

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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.