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Finding the Fourth Proportional to 117,703.94, 162,596.97 and 107,075.12

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Solution

The fourth proportional to 117,703.94, 162,596.97 and 107,075.12 is: 147,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,703.94 : 162,596.97 = 107,075.12 : x
  2. Step 2: Convert to fraction form
    117,703.94/162,596.97 = 107,075.12/x
  3. Step 3: Cross multiply
    117,703.94x = 162,596.97 × 107,075.12
  4. Step 4: Simplify right side
    117,703.94x = 17,410,089,261.40
  5. Step 5: Solve for x
    x = 17,410,089,261.40/117,703.94
  6. Step 6: Final answer
    x = 147,914.25

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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.