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Finding the Fourth Proportional to 186,674.22, 278,821.17 and 168,877.44

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Solution

The fourth proportional to 186,674.22, 278,821.17 and 168,877.44 is: 252,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,674.22 : 278,821.17 = 168,877.44 : x
  2. Step 2: Convert to fraction form
    186,674.22/278,821.17 = 168,877.44/x
  3. Step 3: Cross multiply
    186,674.22x = 278,821.17 × 168,877.44
  4. Step 4: Simplify right side
    186,674.22x = 47,086,605,407.40
  5. Step 5: Solve for x
    x = 47,086,605,407.40/186,674.22
  6. Step 6: Final answer
    x = 252,239.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.