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Finding the Fourth Proportional to 156,978.93, 235,463.19 and 68,232.52

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Solution

The fourth proportional to 156,978.93, 235,463.19 and 68,232.52 is: 102,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,978.93 : 235,463.19 = 68,232.52 : x
  2. Step 2: Convert to fraction form
    156,978.93/235,463.19 = 68,232.52/x
  3. Step 3: Cross multiply
    156,978.93x = 235,463.19 × 68,232.52
  4. Step 4: Simplify right side
    156,978.93x = 16,066,246,820.94
  5. Step 5: Solve for x
    x = 16,066,246,820.94/156,978.93
  6. Step 6: Final answer
    x = 102,346.52

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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.