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Finding the Fourth Proportional to 186,196.01, 278,755.44 and 166,966.80

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Solution

The fourth proportional to 186,196.01, 278,755.44 and 166,966.80 is: 249,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,196.01 : 278,755.44 = 166,966.80 : x
  2. Step 2: Convert to fraction form
    186,196.01/278,755.44 = 166,966.80/x
  3. Step 3: Cross multiply
    186,196.01x = 278,755.44 × 166,966.80
  4. Step 4: Simplify right side
    186,196.01x = 46,542,903,799.39
  5. Step 5: Solve for x
    x = 46,542,903,799.39/186,196.01
  6. Step 6: Final answer
    x = 249,967.25

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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.