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Finding the Fourth Proportional to 169,381.92, 254,072.88 and 44,724

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Solution

The fourth proportional to 169,381.92, 254,072.88 and 44,724 is: 67,086

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,381.92 : 254,072.88 = 44,724 : x
  2. Step 2: Convert to fraction form
    169,381.92/254,072.88 = 44,724/x
  3. Step 3: Cross multiply
    169,381.92x = 254,072.88 × 44,724
  4. Step 4: Simplify right side
    169,381.92x = 11,363,155,485.12
  5. Step 5: Solve for x
    x = 11,363,155,485.12/169,381.92
  6. Step 6: Final answer
    x = 67,086

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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.