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Finding the Fourth Proportional to 191,994.45, 264,950.49 and 105,954.23

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Solution

The fourth proportional to 191,994.45, 264,950.49 and 105,954.23 is: 146,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,994.45 : 264,950.49 = 105,954.23 : x
  2. Step 2: Convert to fraction form
    191,994.45/264,950.49 = 105,954.23/x
  3. Step 3: Cross multiply
    191,994.45x = 264,950.49 × 105,954.23
  4. Step 4: Simplify right side
    191,994.45x = 28,072,624,725.43
  5. Step 5: Solve for x
    x = 28,072,624,725.43/191,994.45
  6. Step 6: Final answer
    x = 146,215.81

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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.