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Finding the Fourth Proportional to 192,762.82, 266,003.62 and 105,546.34

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Solution

The fourth proportional to 192,762.82, 266,003.62 and 105,546.34 is: 145,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,762.82 : 266,003.62 = 105,546.34 : x
  2. Step 2: Convert to fraction form
    192,762.82/266,003.62 = 105,546.34/x
  3. Step 3: Cross multiply
    192,762.82x = 266,003.62 × 105,546.34
  4. Step 4: Simplify right side
    192,762.82x = 28,075,708,517.75
  5. Step 5: Solve for x
    x = 28,075,708,517.75/192,762.82
  6. Step 6: Final answer
    x = 145,648.98

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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.