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Finding the Fourth Proportional to 234,567.21, 351,851.06 and 57,074.21

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Solution

The fourth proportional to 234,567.21, 351,851.06 and 57,074.21 is: 85,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,567.21 : 351,851.06 = 57,074.21 : x
  2. Step 2: Convert to fraction form
    234,567.21/351,851.06 = 57,074.21/x
  3. Step 3: Cross multiply
    234,567.21x = 351,851.06 × 57,074.21
  4. Step 4: Simplify right side
    234,567.21x = 20,081,621,287.16
  5. Step 5: Solve for x
    x = 20,081,621,287.16/234,567.21
  6. Step 6: Final answer
    x = 85,611.37

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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.