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Finding the Fourth Proportional to 161,734, 223,192.92 and 94,666

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Solution

The fourth proportional to 161,734, 223,192.92 and 94,666 is: 130,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734 : 223,192.92 = 94,666 : x
  2. Step 2: Convert to fraction form
    161,734/223,192.92 = 94,666/x
  3. Step 3: Cross multiply
    161,734x = 223,192.92 × 94,666
  4. Step 4: Simplify right side
    161,734x = 21,128,780,964.72
  5. Step 5: Solve for x
    x = 21,128,780,964.72/161,734
  6. Step 6: Final answer
    x = 130,639.08

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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.