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Finding the Fourth Proportional to 175,604.70, 262,629.45 and 147,611.10

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Solution

The fourth proportional to 175,604.70, 262,629.45 and 147,611.10 is: 220,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,604.70 : 262,629.45 = 147,611.10 : x
  2. Step 2: Convert to fraction form
    175,604.70/262,629.45 = 147,611.10/x
  3. Step 3: Cross multiply
    175,604.70x = 262,629.45 × 147,611.10
  4. Step 4: Simplify right side
    175,604.70x = 38,767,022,006.90
  5. Step 5: Solve for x
    x = 38,767,022,006.90/175,604.70
  6. Step 6: Final answer
    x = 220,763.01

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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.