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Finding the Fourth Proportional to 216,813.99, 325,219.14 and 169,468.89

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Solution

The fourth proportional to 216,813.99, 325,219.14 and 169,468.89 is: 254,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,813.99 : 325,219.14 = 169,468.89 : x
  2. Step 2: Convert to fraction form
    216,813.99/325,219.14 = 169,468.89/x
  3. Step 3: Cross multiply
    216,813.99x = 325,219.14 × 169,468.89
  4. Step 4: Simplify right side
    216,813.99x = 55,114,526,662.55
  5. Step 5: Solve for x
    x = 55,114,526,662.55/216,813.99
  6. Step 6: Final answer
    x = 254,201.89

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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.