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Finding the Fourth Proportional to 179,651.40, 269,477.10 and 61,326.60

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Solution

The fourth proportional to 179,651.40, 269,477.10 and 61,326.60 is: 91,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,651.40 : 269,477.10 = 61,326.60 : x
  2. Step 2: Convert to fraction form
    179,651.40/269,477.10 = 61,326.60/x
  3. Step 3: Cross multiply
    179,651.40x = 269,477.10 × 61,326.60
  4. Step 4: Simplify right side
    179,651.40x = 16,526,114,320.86
  5. Step 5: Solve for x
    x = 16,526,114,320.86/179,651.40
  6. Step 6: Final answer
    x = 91,989.90

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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.