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Finding the Fourth Proportional to 69,455.64, 104,188.86 and 22,713.24

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Solution

The fourth proportional to 69,455.64, 104,188.86 and 22,713.24 is: 34,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.64 : 104,188.86 = 22,713.24 : x
  2. Step 2: Convert to fraction form
    69,455.64/104,188.86 = 22,713.24/x
  3. Step 3: Cross multiply
    69,455.64x = 104,188.86 × 22,713.24
  4. Step 4: Simplify right side
    69,455.64x = 2,366,466,582.51
  5. Step 5: Solve for x
    x = 2,366,466,582.51/69,455.64
  6. Step 6: Final answer
    x = 34,071.63

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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.