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Finding the Fourth Proportional to 195,093.58, 292,663.80 and 68,707.71

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Solution

The fourth proportional to 195,093.58, 292,663.80 and 68,707.71 is: 103,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,093.58 : 292,663.80 = 68,707.71 : x
  2. Step 2: Convert to fraction form
    195,093.58/292,663.80 = 68,707.71/x
  3. Step 3: Cross multiply
    195,093.58x = 292,663.80 × 68,707.71
  4. Step 4: Simplify right side
    195,093.58x = 20,108,258,034.58
  5. Step 5: Solve for x
    x = 20,108,258,034.58/195,093.58
  6. Step 6: Final answer
    x = 103,069.81

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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.