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Finding the Fourth Proportional to 119,707.41, 165,192.93 and 65,992.44

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Solution

The fourth proportional to 119,707.41, 165,192.93 and 65,992.44 is: 91,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,707.41 : 165,192.93 = 65,992.44 : x
  2. Step 2: Convert to fraction form
    119,707.41/165,192.93 = 65,992.44/x
  3. Step 3: Cross multiply
    119,707.41x = 165,192.93 × 65,992.44
  4. Step 4: Simplify right side
    119,707.41x = 10,901,484,521.45
  5. Step 5: Solve for x
    x = 10,901,484,521.45/119,707.41
  6. Step 6: Final answer
    x = 91,067.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.