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Finding the Fourth Proportional to 75,020.56, 103,527.12 and 41,486.56

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Solution

The fourth proportional to 75,020.56, 103,527.12 and 41,486.56 is: 57,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.56 : 103,527.12 = 41,486.56 : x
  2. Step 2: Convert to fraction form
    75,020.56/103,527.12 = 41,486.56/x
  3. Step 3: Cross multiply
    75,020.56x = 103,527.12 × 41,486.56
  4. Step 4: Simplify right side
    75,020.56x = 4,294,984,075.51
  5. Step 5: Solve for x
    x = 4,294,984,075.51/75,020.56
  6. Step 6: Final answer
    x = 57,250.76

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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.