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Finding the Fourth Proportional to 147,120.19, 220,713.10 and 53,625.94

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Solution

The fourth proportional to 147,120.19, 220,713.10 and 53,625.94 is: 80,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,120.19 : 220,713.10 = 53,625.94 : x
  2. Step 2: Convert to fraction form
    147,120.19/220,713.10 = 53,625.94/x
  3. Step 3: Cross multiply
    147,120.19x = 220,713.10 × 53,625.94
  4. Step 4: Simplify right side
    147,120.19x = 11,835,946,771.97
  5. Step 5: Solve for x
    x = 11,835,946,771.97/147,120.19
  6. Step 6: Final answer
    x = 80,450.87

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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.