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Finding the Fourth Proportional to 195,316.68, 292,978.56 and 68,953.86

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Solution

The fourth proportional to 195,316.68, 292,978.56 and 68,953.86 is: 103,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,316.68 : 292,978.56 = 68,953.86 : x
  2. Step 2: Convert to fraction form
    195,316.68/292,978.56 = 68,953.86/x
  3. Step 3: Cross multiply
    195,316.68x = 292,978.56 × 68,953.86
  4. Step 4: Simplify right side
    195,316.68x = 20,202,002,609.24
  5. Step 5: Solve for x
    x = 20,202,002,609.24/195,316.68
  6. Step 6: Final answer
    x = 103,432.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.