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Finding the Fourth Proportional to 117,730.96, 176,707.44 and 42,923.44

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Solution

The fourth proportional to 117,730.96, 176,707.44 and 42,923.44 is: 64,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,730.96 : 176,707.44 = 42,923.44 : x
  2. Step 2: Convert to fraction form
    117,730.96/176,707.44 = 42,923.44/x
  3. Step 3: Cross multiply
    117,730.96x = 176,707.44 × 42,923.44
  4. Step 4: Simplify right side
    117,730.96x = 7,584,891,198.39
  5. Step 5: Solve for x
    x = 7,584,891,198.39/117,730.96
  6. Step 6: Final answer
    x = 64,425.63

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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.