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Finding the Fourth Proportional to 165,351.25, 248,026.88 and 40,692.25

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Solution

The fourth proportional to 165,351.25, 248,026.88 and 40,692.25 is: 61,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,351.25 : 248,026.88 = 40,692.25 : x
  2. Step 2: Convert to fraction form
    165,351.25/248,026.88 = 40,692.25/x
  3. Step 3: Cross multiply
    165,351.25x = 248,026.88 × 40,692.25
  4. Step 4: Simplify right side
    165,351.25x = 10,092,771,807.68
  5. Step 5: Solve for x
    x = 10,092,771,807.68/165,351.25
  6. Step 6: Final answer
    x = 61,038.38

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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.