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Finding the Fourth Proportional to 186,553.26, 257,450.45 and 105,994.44

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Solution

The fourth proportional to 186,553.26, 257,450.45 and 105,994.44 is: 146,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,553.26 : 257,450.45 = 105,994.44 : x
  2. Step 2: Convert to fraction form
    186,553.26/257,450.45 = 105,994.44/x
  3. Step 3: Cross multiply
    186,553.26x = 257,450.45 × 105,994.44
  4. Step 4: Simplify right side
    186,553.26x = 27,288,315,255.63
  5. Step 5: Solve for x
    x = 27,288,315,255.63/186,553.26
  6. Step 6: Final answer
    x = 146,276.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.