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Finding the Fourth Proportional to 69,597.52, 104,399.92 and 19,681.26

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Solution

The fourth proportional to 69,597.52, 104,399.92 and 19,681.26 is: 29,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,597.52 : 104,399.92 = 19,681.26 : x
  2. Step 2: Convert to fraction form
    69,597.52/104,399.92 = 19,681.26/x
  3. Step 3: Cross multiply
    69,597.52x = 104,399.92 × 19,681.26
  4. Step 4: Simplify right side
    69,597.52x = 2,054,721,969.50
  5. Step 5: Solve for x
    x = 2,054,721,969.50/69,597.52
  6. Step 6: Final answer
    x = 29,522.92

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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.