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Finding the Fourth Proportional to 100,075.84, 150,165.66 and 43,955.44

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Solution

The fourth proportional to 100,075.84, 150,165.66 and 43,955.44 is: 65,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,075.84 : 150,165.66 = 43,955.44 : x
  2. Step 2: Convert to fraction form
    100,075.84/150,165.66 = 43,955.44/x
  3. Step 3: Cross multiply
    100,075.84x = 150,165.66 × 43,955.44
  4. Step 4: Simplify right side
    100,075.84x = 6,600,597,658.19
  5. Step 5: Solve for x
    x = 6,600,597,658.19/100,075.84
  6. Step 6: Final answer
    x = 65,955.96

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1.5x scale

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.