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Finding the Fourth Proportional to 163,838.16, 245,770.88 and 43,912.17

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Solution

The fourth proportional to 163,838.16, 245,770.88 and 43,912.17 is: 65,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,838.16 : 245,770.88 = 43,912.17 : x
  2. Step 2: Convert to fraction form
    163,838.16/245,770.88 = 43,912.17/x
  3. Step 3: Cross multiply
    163,838.16x = 245,770.88 × 43,912.17
  4. Step 4: Simplify right side
    163,838.16x = 10,792,332,444.05
  5. Step 5: Solve for x
    x = 10,792,332,444.05/163,838.16
  6. Step 6: Final answer
    x = 65,871.91

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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.