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Finding the Fourth Proportional to 117,651.57, 176,477.85 and 28,905.09

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Solution

The fourth proportional to 117,651.57, 176,477.85 and 28,905.09 is: 43,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,651.57 : 176,477.85 = 28,905.09 : x
  2. Step 2: Convert to fraction form
    117,651.57/176,477.85 = 28,905.09/x
  3. Step 3: Cross multiply
    117,651.57x = 176,477.85 × 28,905.09
  4. Step 4: Simplify right side
    117,651.57x = 5,101,108,137.26
  5. Step 5: Solve for x
    x = 5,101,108,137.26/117,651.57
  6. Step 6: Final answer
    x = 43,357.76

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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.