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Finding the Fourth Proportional to 101,137.51, 151,751.03 and 53,094.81

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Solution

The fourth proportional to 101,137.51, 151,751.03 and 53,094.81 is: 79,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137.51 : 151,751.03 = 53,094.81 : x
  2. Step 2: Convert to fraction form
    101,137.51/151,751.03 = 53,094.81/x
  3. Step 3: Cross multiply
    101,137.51x = 151,751.03 × 53,094.81
  4. Step 4: Simplify right side
    101,137.51x = 8,057,192,408.75
  5. Step 5: Solve for x
    x = 8,057,192,408.75/101,137.51
  6. Step 6: Final answer
    x = 79,665.72

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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.