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Finding the Fourth Proportional to 69,643.68, 104,465.32 and 25,270.32

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Solution

The fourth proportional to 69,643.68, 104,465.32 and 25,270.32 is: 37,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.68 : 104,465.32 = 25,270.32 : x
  2. Step 2: Convert to fraction form
    69,643.68/104,465.32 = 25,270.32/x
  3. Step 3: Cross multiply
    69,643.68x = 104,465.32 × 25,270.32
  4. Step 4: Simplify right side
    69,643.68x = 2,639,872,065.30
  5. Step 5: Solve for x
    x = 2,639,872,065.30/69,643.68
  6. Step 6: Final answer
    x = 37,905.41

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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.