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Finding the Fourth Proportional to 100,506.13, 150,762.53 and 50,559.01

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Solution

The fourth proportional to 100,506.13, 150,762.53 and 50,559.01 is: 75,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,506.13 : 150,762.53 = 50,559.01 : x
  2. Step 2: Convert to fraction form
    100,506.13/150,762.53 = 50,559.01/x
  3. Step 3: Cross multiply
    100,506.13x = 150,762.53 × 50,559.01
  4. Step 4: Simplify right side
    100,506.13x = 7,622,404,261.90
  5. Step 5: Solve for x
    x = 7,622,404,261.90/100,506.13
  6. Step 6: Final answer
    x = 75,840.19

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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.