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Finding the Fourth Proportional to 237,046.40, 355,108.80 and 131,676.80

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Solution

The fourth proportional to 237,046.40, 355,108.80 and 131,676.80 is: 197,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,046.40 : 355,108.80 = 131,676.80 : x
  2. Step 2: Convert to fraction form
    237,046.40/355,108.80 = 131,676.80/x
  3. Step 3: Cross multiply
    237,046.40x = 355,108.80 × 131,676.80
  4. Step 4: Simplify right side
    237,046.40x = 46,759,590,435.84
  5. Step 5: Solve for x
    x = 46,759,590,435.84/237,046.40
  6. Step 6: Final answer
    x = 197,259.23

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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.