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Finding the Fourth Proportional to 69,374.75, 104,058.47 and 19,458.29

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Solution

The fourth proportional to 69,374.75, 104,058.47 and 19,458.29 is: 29,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.75 : 104,058.47 = 19,458.29 : x
  2. Step 2: Convert to fraction form
    69,374.75/104,058.47 = 19,458.29/x
  3. Step 3: Cross multiply
    69,374.75x = 104,058.47 × 19,458.29
  4. Step 4: Simplify right side
    69,374.75x = 2,024,799,268.63
  5. Step 5: Solve for x
    x = 2,024,799,268.63/69,374.75
  6. Step 6: Final answer
    x = 29,186.40

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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.