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Finding the Fourth Proportional to 115,804.40, 173,771.40 and 49,233.20

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Solution

The fourth proportional to 115,804.40, 173,771.40 and 49,233.20 is: 73,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.40 : 173,771.40 = 49,233.20 : x
  2. Step 2: Convert to fraction form
    115,804.40/173,771.40 = 49,233.20/x
  3. Step 3: Cross multiply
    115,804.40x = 173,771.40 × 49,233.20
  4. Step 4: Simplify right side
    115,804.40x = 8,555,322,090.48
  5. Step 5: Solve for x
    x = 8,555,322,090.48/115,804.40
  6. Step 6: Final answer
    x = 73,877.35

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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.