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Finding the Fourth Proportional to 62,301.49, 93,465.90 and 20,174.40

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Solution

The fourth proportional to 62,301.49, 93,465.90 and 20,174.40 is: 30,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,301.49 : 93,465.90 = 20,174.40 : x
  2. Step 2: Convert to fraction form
    62,301.49/93,465.90 = 20,174.40/x
  3. Step 3: Cross multiply
    62,301.49x = 93,465.90 × 20,174.40
  4. Step 4: Simplify right side
    62,301.49x = 1,885,618,452.96
  5. Step 5: Solve for x
    x = 1,885,618,452.96/62,301.49
  6. Step 6: Final answer
    x = 30,266.03

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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.