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Finding the Fourth Proportional to 183,769.32, 275,585.94 and 65,408.88

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Solution

The fourth proportional to 183,769.32, 275,585.94 and 65,408.88 is: 98,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,769.32 : 275,585.94 = 65,408.88 : x
  2. Step 2: Convert to fraction form
    183,769.32/275,585.94 = 65,408.88/x
  3. Step 3: Cross multiply
    183,769.32x = 275,585.94 × 65,408.88
  4. Step 4: Simplify right side
    183,769.32x = 18,025,767,679.15
  5. Step 5: Solve for x
    x = 18,025,767,679.15/183,769.32
  6. Step 6: Final answer
    x = 98,089.10

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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.