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Finding the Fourth Proportional to 247,673.21, 371,505.83 and 97,914.87

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Solution

The fourth proportional to 247,673.21, 371,505.83 and 97,914.87 is: 146,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,673.21 : 371,505.83 = 97,914.87 : x
  2. Step 2: Convert to fraction form
    247,673.21/371,505.83 = 97,914.87/x
  3. Step 3: Cross multiply
    247,673.21x = 371,505.83 × 97,914.87
  4. Step 4: Simplify right side
    247,673.21x = 36,375,944,559.12
  5. Step 5: Solve for x
    x = 36,375,944,559.12/247,673.21
  6. Step 6: Final answer
    x = 146,870.73

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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.