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Finding the Fourth Proportional to 171,564.90, 236,754 and 94,040.34

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Solution

The fourth proportional to 171,564.90, 236,754 and 94,040.34 is: 129,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,564.90 : 236,754 = 94,040.34 : x
  2. Step 2: Convert to fraction form
    171,564.90/236,754 = 94,040.34/x
  3. Step 3: Cross multiply
    171,564.90x = 236,754 × 94,040.34
  4. Step 4: Simplify right side
    171,564.90x = 22,264,426,656.36
  5. Step 5: Solve for x
    x = 22,264,426,656.36/171,564.90
  6. Step 6: Final answer
    x = 129,772.62

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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.