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Finding the Fourth Proportional to 114,487.92, 171,696.86 and 79,176.17

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Solution

The fourth proportional to 114,487.92, 171,696.86 and 79,176.17 is: 118,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,487.92 : 171,696.86 = 79,176.17 : x
  2. Step 2: Convert to fraction form
    114,487.92/171,696.86 = 79,176.17/x
  3. Step 3: Cross multiply
    114,487.92x = 171,696.86 × 79,176.17
  4. Step 4: Simplify right side
    114,487.92x = 13,594,299,775.83
  5. Step 5: Solve for x
    x = 13,594,299,775.83/114,487.92
  6. Step 6: Final answer
    x = 118,740.04

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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.