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Finding the Fourth Proportional to 104,075.37, 155,973.20 and 54,051.39

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Solution

The fourth proportional to 104,075.37, 155,973.20 and 54,051.39 is: 81,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.37 : 155,973.20 = 54,051.39 : x
  2. Step 2: Convert to fraction form
    104,075.37/155,973.20 = 54,051.39/x
  3. Step 3: Cross multiply
    104,075.37x = 155,973.20 × 54,051.39
  4. Step 4: Simplify right side
    104,075.37x = 8,430,567,992.49
  5. Step 5: Solve for x
    x = 8,430,567,992.49/104,075.37
  6. Step 6: Final answer
    x = 81,004.45

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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.