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Finding the Fourth Proportional to 306,251.93, 459,347.96 and 93,021.69

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Solution

The fourth proportional to 306,251.93, 459,347.96 and 93,021.69 is: 139,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,251.93 : 459,347.96 = 93,021.69 : x
  2. Step 2: Convert to fraction form
    306,251.93/459,347.96 = 93,021.69/x
  3. Step 3: Cross multiply
    306,251.93x = 459,347.96 × 93,021.69
  4. Step 4: Simplify right side
    306,251.93x = 42,729,323,072.14
  5. Step 5: Solve for x
    x = 42,729,323,072.14/306,251.93
  6. Step 6: Final answer
    x = 139,523.44

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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.