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Finding the Fourth Proportional to 163,793.46, 245,750.28 and 69,047.49

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Solution

The fourth proportional to 163,793.46, 245,750.28 and 69,047.49 is: 103,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,793.46 : 245,750.28 = 69,047.49 : x
  2. Step 2: Convert to fraction form
    163,793.46/245,750.28 = 69,047.49/x
  3. Step 3: Cross multiply
    163,793.46x = 245,750.28 × 69,047.49
  4. Step 4: Simplify right side
    163,793.46x = 16,968,440,000.80
  5. Step 5: Solve for x
    x = 16,968,440,000.80/163,793.46
  6. Step 6: Final answer
    x = 103,596.57

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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.