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Finding the Fourth Proportional to 158,487.34, 237,745.66 and 57,310.64

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Solution

The fourth proportional to 158,487.34, 237,745.66 and 57,310.64 is: 85,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,487.34 : 237,745.66 = 57,310.64 : x
  2. Step 2: Convert to fraction form
    158,487.34/237,745.66 = 57,310.64/x
  3. Step 3: Cross multiply
    158,487.34x = 237,745.66 × 57,310.64
  4. Step 4: Simplify right side
    158,487.34x = 13,625,355,645.27
  5. Step 5: Solve for x
    x = 13,625,355,645.27/158,487.34
  6. Step 6: Final answer
    x = 85,971.26

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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.