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Finding the Fourth Proportional to 75,020.16, 103,523.76 and 41,484

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Solution

The fourth proportional to 75,020.16, 103,523.76 and 41,484 is: 57,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.16 : 103,523.76 = 41,484 : x
  2. Step 2: Convert to fraction form
    75,020.16/103,523.76 = 41,484/x
  3. Step 3: Cross multiply
    75,020.16x = 103,523.76 × 41,484
  4. Step 4: Simplify right side
    75,020.16x = 4,294,579,659.84
  5. Step 5: Solve for x
    x = 4,294,579,659.84/75,020.16
  6. Step 6: Final answer
    x = 57,245.67

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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.