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Finding the Fourth Proportional to 303,019.67, 454,485.75 and 92,601.11

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Solution

The fourth proportional to 303,019.67, 454,485.75 and 92,601.11 is: 138,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.67 : 454,485.75 = 92,601.11 : x
  2. Step 2: Convert to fraction form
    303,019.67/454,485.75 = 92,601.11/x
  3. Step 3: Cross multiply
    303,019.67x = 454,485.75 × 92,601.11
  4. Step 4: Simplify right side
    303,019.67x = 42,085,884,929.18
  5. Step 5: Solve for x
    x = 42,085,884,929.18/303,019.67
  6. Step 6: Final answer
    x = 138,888.29

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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.