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Finding the Fourth Proportional to 146,803.50, 202,589.03 and 79,735.50

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Solution

The fourth proportional to 146,803.50, 202,589.03 and 79,735.50 is: 110,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,803.50 : 202,589.03 = 79,735.50 : x
  2. Step 2: Convert to fraction form
    146,803.50/202,589.03 = 79,735.50/x
  3. Step 3: Cross multiply
    146,803.50x = 202,589.03 × 79,735.50
  4. Step 4: Simplify right side
    146,803.50x = 16,153,537,800.90
  5. Step 5: Solve for x
    x = 16,153,537,800.90/146,803.50
  6. Step 6: Final answer
    x = 110,035.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.