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Finding the Fourth Proportional to 313,142.82, 469,744.97 and 88,504.98

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Solution

The fourth proportional to 313,142.82, 469,744.97 and 88,504.98 is: 132,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,142.82 : 469,744.97 = 88,504.98 : x
  2. Step 2: Convert to fraction form
    313,142.82/469,744.97 = 88,504.98/x
  3. Step 3: Cross multiply
    313,142.82x = 469,744.97 × 88,504.98
  4. Step 4: Simplify right side
    313,142.82x = 41,574,769,174.95
  5. Step 5: Solve for x
    x = 41,574,769,174.95/313,142.82
  6. Step 6: Final answer
    x = 132,766.16

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1.5x scale

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.