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Finding the Fourth Proportional to 192,466.80, 265,605.72 and 107,587.44

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Solution

The fourth proportional to 192,466.80, 265,605.72 and 107,587.44 is: 148,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,466.80 : 265,605.72 = 107,587.44 : x
  2. Step 2: Convert to fraction form
    192,466.80/265,605.72 = 107,587.44/x
  3. Step 3: Cross multiply
    192,466.80x = 265,605.72 × 107,587.44
  4. Step 4: Simplify right side
    192,466.80x = 28,575,839,464.16
  5. Step 5: Solve for x
    x = 28,575,839,464.16/192,466.80
  6. Step 6: Final answer
    x = 148,471.53

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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.