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Finding the Fourth Proportional to 69,526, 96,025.08 and 47,131.12

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Solution

The fourth proportional to 69,526, 96,025.08 and 47,131.12 is: 65,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,526 : 96,025.08 = 47,131.12 : x
  2. Step 2: Convert to fraction form
    69,526/96,025.08 = 47,131.12/x
  3. Step 3: Cross multiply
    69,526x = 96,025.08 × 47,131.12
  4. Step 4: Simplify right side
    69,526x = 4,525,769,568.49
  5. Step 5: Solve for x
    x = 4,525,769,568.49/69,526
  6. Step 6: Final answer
    x = 65,094.63

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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.