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Finding the Fourth Proportional to 86,076.99, 129,122.93 and 23,747.49

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Solution

The fourth proportional to 86,076.99, 129,122.93 and 23,747.49 is: 35,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.99 : 129,122.93 = 23,747.49 : x
  2. Step 2: Convert to fraction form
    86,076.99/129,122.93 = 23,747.49/x
  3. Step 3: Cross multiply
    86,076.99x = 129,122.93 × 23,747.49
  4. Step 4: Simplify right side
    86,076.99x = 3,066,345,370.21
  5. Step 5: Solve for x
    x = 3,066,345,370.21/86,076.99
  6. Step 6: Final answer
    x = 35,623.29

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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.