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Finding the Fourth Proportional to 69,041.24, 103,410.03 and 57,059.24

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Solution

The fourth proportional to 69,041.24, 103,410.03 and 57,059.24 is: 85,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041.24 : 103,410.03 = 57,059.24 : x
  2. Step 2: Convert to fraction form
    69,041.24/103,410.03 = 57,059.24/x
  3. Step 3: Cross multiply
    69,041.24x = 103,410.03 × 57,059.24
  4. Step 4: Simplify right side
    69,041.24x = 5,900,497,720.18
  5. Step 5: Solve for x
    x = 5,900,497,720.18/69,041.24
  6. Step 6: Final answer
    x = 85,463.38

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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.