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Finding the Fourth Proportional to 163,657.50, 225,800.76 and 98,219.73

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Solution

The fourth proportional to 163,657.50, 225,800.76 and 98,219.73 is: 135,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,657.50 : 225,800.76 = 98,219.73 : x
  2. Step 2: Convert to fraction form
    163,657.50/225,800.76 = 98,219.73/x
  3. Step 3: Cross multiply
    163,657.50x = 225,800.76 × 98,219.73
  4. Step 4: Simplify right side
    163,657.50x = 22,178,089,680.99
  5. Step 5: Solve for x
    x = 22,178,089,680.99/163,657.50
  6. Step 6: Final answer
    x = 135,515.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.