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Finding the Fourth Proportional to 303,291.23, 454,920.44 and 92,929.78

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Solution

The fourth proportional to 303,291.23, 454,920.44 and 92,929.78 is: 139,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,291.23 : 454,920.44 = 92,929.78 : x
  2. Step 2: Convert to fraction form
    303,291.23/454,920.44 = 92,929.78/x
  3. Step 3: Cross multiply
    303,291.23x = 454,920.44 × 92,929.78
  4. Step 4: Simplify right side
    303,291.23x = 42,275,654,804.75
  5. Step 5: Solve for x
    x = 42,275,654,804.75/303,291.23
  6. Step 6: Final answer
    x = 139,389.64

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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.