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Finding the Fourth Proportional to 183,718.35, 275,506.44 and 71,383.77

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Solution

The fourth proportional to 183,718.35, 275,506.44 and 71,383.77 is: 107,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,718.35 : 275,506.44 = 71,383.77 : x
  2. Step 2: Convert to fraction form
    183,718.35/275,506.44 = 71,383.77/x
  3. Step 3: Cross multiply
    183,718.35x = 275,506.44 × 71,383.77
  4. Step 4: Simplify right side
    183,718.35x = 19,666,689,861.43
  5. Step 5: Solve for x
    x = 19,666,689,861.43/183,718.35
  6. Step 6: Final answer
    x = 107,048.05

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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.