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Finding the Fourth Proportional to 303,301.55, 454,952.33 and 92,912.15

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Solution

The fourth proportional to 303,301.55, 454,952.33 and 92,912.15 is: 139,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,301.55 : 454,952.33 = 92,912.15 : x
  2. Step 2: Convert to fraction form
    303,301.55/454,952.33 = 92,912.15/x
  3. Step 3: Cross multiply
    303,301.55x = 454,952.33 × 92,912.15
  4. Step 4: Simplify right side
    303,301.55x = 42,270,598,663.25
  5. Step 5: Solve for x
    x = 42,270,598,663.25/303,301.55
  6. Step 6: Final answer
    x = 139,368.23

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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.