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Finding the Fourth Proportional to 132,168.84, 182,393.17 and 71,739.49

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Solution

The fourth proportional to 132,168.84, 182,393.17 and 71,739.49 is: 99,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.84 : 182,393.17 = 71,739.49 : x
  2. Step 2: Convert to fraction form
    132,168.84/182,393.17 = 71,739.49/x
  3. Step 3: Cross multiply
    132,168.84x = 182,393.17 × 71,739.49
  4. Step 4: Simplify right side
    132,168.84x = 13,084,792,995.28
  5. Step 5: Solve for x
    x = 13,084,792,995.28/132,168.84
  6. Step 6: Final answer
    x = 99,000.59

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1.5x scale

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.