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Finding the Fourth Proportional to 163,179.16, 244,780.58 and 68,313.93

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Solution

The fourth proportional to 163,179.16, 244,780.58 and 68,313.93 is: 102,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,179.16 : 244,780.58 = 68,313.93 : x
  2. Step 2: Convert to fraction form
    163,179.16/244,780.58 = 68,313.93/x
  3. Step 3: Cross multiply
    163,179.16x = 244,780.58 × 68,313.93
  4. Step 4: Simplify right side
    163,179.16x = 16,721,922,660.34
  5. Step 5: Solve for x
    x = 16,721,922,660.34/163,179.16
  6. Step 6: Final answer
    x = 102,475.85

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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.