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Finding the Fourth Proportional to 180,288.67, 248,816.52 and 99,722.33

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Solution

The fourth proportional to 180,288.67, 248,816.52 and 99,722.33 is: 137,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,288.67 : 248,816.52 = 99,722.33 : x
  2. Step 2: Convert to fraction form
    180,288.67/248,816.52 = 99,722.33/x
  3. Step 3: Cross multiply
    180,288.67x = 248,816.52 × 99,722.33
  4. Step 4: Simplify right side
    180,288.67x = 24,812,563,116.89
  5. Step 5: Solve for x
    x = 24,812,563,116.89/180,288.67
  6. Step 6: Final answer
    x = 137,626.86

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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.