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Finding the Fourth Proportional to 333,331.25, 499,907.70 and 93,431.70

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Solution

The fourth proportional to 333,331.25, 499,907.70 and 93,431.70 is: 140,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,331.25 : 499,907.70 = 93,431.70 : x
  2. Step 2: Convert to fraction form
    333,331.25/499,907.70 = 93,431.70/x
  3. Step 3: Cross multiply
    333,331.25x = 499,907.70 × 93,431.70
  4. Step 4: Simplify right side
    333,331.25x = 46,707,226,254.09
  5. Step 5: Solve for x
    x = 46,707,226,254.09/333,331.25
  6. Step 6: Final answer
    x = 140,122.56

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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.