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Finding the Fourth Proportional to 67,420.63, 93,040.38 and 37,205.94

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Solution

The fourth proportional to 67,420.63, 93,040.38 and 37,205.94 is: 51,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.63 : 93,040.38 = 37,205.94 : x
  2. Step 2: Convert to fraction form
    67,420.63/93,040.38 = 37,205.94/x
  3. Step 3: Cross multiply
    67,420.63x = 93,040.38 × 37,205.94
  4. Step 4: Simplify right side
    67,420.63x = 3,461,654,795.86
  5. Step 5: Solve for x
    x = 3,461,654,795.86/67,420.63
  6. Step 6: Final answer
    x = 51,344.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.