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Finding the Fourth Proportional to 114,912.97, 172,369.48 and 30,673.45

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Solution

The fourth proportional to 114,912.97, 172,369.48 and 30,673.45 is: 46,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912.97 : 172,369.48 = 30,673.45 : x
  2. Step 2: Convert to fraction form
    114,912.97/172,369.48 = 30,673.45/x
  3. Step 3: Cross multiply
    114,912.97x = 172,369.48 × 30,673.45
  4. Step 4: Simplify right side
    114,912.97x = 5,287,166,118.70
  5. Step 5: Solve for x
    x = 5,287,166,118.70/114,912.97
  6. Step 6: Final answer
    x = 46,010.18

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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.