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Finding the Fourth Proportional to 468,996.58, 703,536.40 and 132,040.16

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Solution

The fourth proportional to 468,996.58, 703,536.40 and 132,040.16 is: 198,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,996.58 : 703,536.40 = 132,040.16 : x
  2. Step 2: Convert to fraction form
    468,996.58/703,536.40 = 132,040.16/x
  3. Step 3: Cross multiply
    468,996.58x = 703,536.40 × 132,040.16
  4. Step 4: Simplify right side
    468,996.58x = 92,895,058,107.45
  5. Step 5: Solve for x
    x = 92,895,058,107.45/468,996.58
  6. Step 6: Final answer
    x = 198,071.93

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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.