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Finding the Fourth Proportional to 169,911.19, 254,850.40 and 51,583.56

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Solution

The fourth proportional to 169,911.19, 254,850.40 and 51,583.56 is: 77,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.19 : 254,850.40 = 51,583.56 : x
  2. Step 2: Convert to fraction form
    169,911.19/254,850.40 = 51,583.56/x
  3. Step 3: Cross multiply
    169,911.19x = 254,850.40 × 51,583.56
  4. Step 4: Simplify right side
    169,911.19x = 13,146,090,899.42
  5. Step 5: Solve for x
    x = 13,146,090,899.42/169,911.19
  6. Step 6: Final answer
    x = 77,370.37

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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.