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Finding the Fourth Proportional to 169,485.80, 254,228.70 and 166,375.40

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Solution

The fourth proportional to 169,485.80, 254,228.70 and 166,375.40 is: 249,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485.80 : 254,228.70 = 166,375.40 : x
  2. Step 2: Convert to fraction form
    169,485.80/254,228.70 = 166,375.40/x
  3. Step 3: Cross multiply
    169,485.80x = 254,228.70 × 166,375.40
  4. Step 4: Simplify right side
    169,485.80x = 42,297,401,653.98
  5. Step 5: Solve for x
    x = 42,297,401,653.98/169,485.80
  6. Step 6: Final answer
    x = 249,563.10

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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.