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Finding the Fourth Proportional to 201,493.80, 301,803.30 and 166,501.80

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Solution

The fourth proportional to 201,493.80, 301,803.30 and 166,501.80 is: 249,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,493.80 : 301,803.30 = 166,501.80 : x
  2. Step 2: Convert to fraction form
    201,493.80/301,803.30 = 166,501.80/x
  3. Step 3: Cross multiply
    201,493.80x = 301,803.30 × 166,501.80
  4. Step 4: Simplify right side
    201,493.80x = 50,250,792,695.94
  5. Step 5: Solve for x
    x = 50,250,792,695.94/201,493.80
  6. Step 6: Final answer
    x = 249,391.26

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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.