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Finding the Fourth Proportional to 117,079.64, 175,689.52 and 50,519.77

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Solution

The fourth proportional to 117,079.64, 175,689.52 and 50,519.77 is: 75,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079.64 : 175,689.52 = 50,519.77 : x
  2. Step 2: Convert to fraction form
    117,079.64/175,689.52 = 50,519.77/x
  3. Step 3: Cross multiply
    117,079.64x = 175,689.52 × 50,519.77
  4. Step 4: Simplify right side
    117,079.64x = 8,875,793,621.88
  5. Step 5: Solve for x
    x = 8,875,793,621.88/117,079.64
  6. Step 6: Final answer
    x = 75,809.88

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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.