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Finding the Fourth Proportional to 183,075.99, 252,649.56 and 102,520.54

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Solution

The fourth proportional to 183,075.99, 252,649.56 and 102,520.54 is: 141,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,075.99 : 252,649.56 = 102,520.54 : x
  2. Step 2: Convert to fraction form
    183,075.99/252,649.56 = 102,520.54/x
  3. Step 3: Cross multiply
    183,075.99x = 252,649.56 × 102,520.54
  4. Step 4: Simplify right side
    183,075.99x = 25,901,769,321.96
  5. Step 5: Solve for x
    x = 25,901,769,321.96/183,075.99
  6. Step 6: Final answer
    x = 141,480.97

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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.