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Finding the Fourth Proportional to 115,407.56, 173,133.79 and 44,325

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Solution

The fourth proportional to 115,407.56, 173,133.79 and 44,325 is: 66,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,407.56 : 173,133.79 = 44,325 : x
  2. Step 2: Convert to fraction form
    115,407.56/173,133.79 = 44,325/x
  3. Step 3: Cross multiply
    115,407.56x = 173,133.79 × 44,325
  4. Step 4: Simplify right side
    115,407.56x = 7,674,155,130.94
  5. Step 5: Solve for x
    x = 7,674,155,130.94/115,407.56
  6. Step 6: Final answer
    x = 66,496.12

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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.