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Finding the Fourth Proportional to 118,597.37, 177,846.84 and 43,721.78

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Solution

The fourth proportional to 118,597.37, 177,846.84 and 43,721.78 is: 65,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,597.37 : 177,846.84 = 43,721.78 : x
  2. Step 2: Convert to fraction form
    118,597.37/177,846.84 = 43,721.78/x
  3. Step 3: Cross multiply
    118,597.37x = 177,846.84 × 43,721.78
  4. Step 4: Simplify right side
    118,597.37x = 7,775,779,522.94
  5. Step 5: Solve for x
    x = 7,775,779,522.94/118,597.37
  6. Step 6: Final answer
    x = 65,564.52

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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.