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Finding the Fourth Proportional to 84,061.38, 116,004.01 and 45,820.23

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Solution

The fourth proportional to 84,061.38, 116,004.01 and 45,820.23 is: 63,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,061.38 : 116,004.01 = 45,820.23 : x
  2. Step 2: Convert to fraction form
    84,061.38/116,004.01 = 45,820.23/x
  3. Step 3: Cross multiply
    84,061.38x = 116,004.01 × 45,820.23
  4. Step 4: Simplify right side
    84,061.38x = 5,315,330,190.02
  5. Step 5: Solve for x
    x = 5,315,330,190.02/84,061.38
  6. Step 6: Final answer
    x = 63,231.54

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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.