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Finding the Fourth Proportional to 101,322.66, 151,755.57 and 48,771.48

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Solution

The fourth proportional to 101,322.66, 151,755.57 and 48,771.48 is: 73,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.66 : 151,755.57 = 48,771.48 : x
  2. Step 2: Convert to fraction form
    101,322.66/151,755.57 = 48,771.48/x
  3. Step 3: Cross multiply
    101,322.66x = 151,755.57 × 48,771.48
  4. Step 4: Simplify right side
    101,322.66x = 7,401,343,747.14
  5. Step 5: Solve for x
    x = 7,401,343,747.14/101,322.66
  6. Step 6: Final answer
    x = 73,047.27

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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.