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Finding the Fourth Proportional to 165,425.84, 248,220.80 and 65,583.82

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Solution

The fourth proportional to 165,425.84, 248,220.80 and 65,583.82 is: 98,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,425.84 : 248,220.80 = 65,583.82 : x
  2. Step 2: Convert to fraction form
    165,425.84/248,220.80 = 65,583.82/x
  3. Step 3: Cross multiply
    165,425.84x = 248,220.80 × 65,583.82
  4. Step 4: Simplify right side
    165,425.84x = 16,279,268,267.46
  5. Step 5: Solve for x
    x = 16,279,268,267.46/165,425.84
  6. Step 6: Final answer
    x = 98,408.26

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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.