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Finding the Fourth Proportional to 140,845.22, 194,253.22 and 123,813.21

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Solution

The fourth proportional to 140,845.22, 194,253.22 and 123,813.21 is: 170,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,845.22 : 194,253.22 = 123,813.21 : x
  2. Step 2: Convert to fraction form
    140,845.22/194,253.22 = 123,813.21/x
  3. Step 3: Cross multiply
    140,845.22x = 194,253.22 × 123,813.21
  4. Step 4: Simplify right side
    140,845.22x = 24,051,114,721.04
  5. Step 5: Solve for x
    x = 24,051,114,721.04/140,845.22
  6. Step 6: Final answer
    x = 170,762.73

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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.