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Finding the Fourth Proportional to 101,321.16, 151,753.32 and 48,769.98

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Solution

The fourth proportional to 101,321.16, 151,753.32 and 48,769.98 is: 73,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,321.16 : 151,753.32 = 48,769.98 : x
  2. Step 2: Convert to fraction form
    101,321.16/151,753.32 = 48,769.98/x
  3. Step 3: Cross multiply
    101,321.16x = 151,753.32 × 48,769.98
  4. Step 4: Simplify right side
    101,321.16x = 7,401,006,381.33
  5. Step 5: Solve for x
    x = 7,401,006,381.33/101,321.16
  6. Step 6: Final answer
    x = 73,045.02

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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.