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Finding the Fourth Proportional to 163,035.60, 244,674.90 and 84,109.20

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Solution

The fourth proportional to 163,035.60, 244,674.90 and 84,109.20 is: 126,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,035.60 : 244,674.90 = 84,109.20 : x
  2. Step 2: Convert to fraction form
    163,035.60/244,674.90 = 84,109.20/x
  3. Step 3: Cross multiply
    163,035.60x = 244,674.90 × 84,109.20
  4. Step 4: Simplify right side
    163,035.60x = 20,579,410,099.08
  5. Step 5: Solve for x
    x = 20,579,410,099.08/163,035.60
  6. Step 6: Final answer
    x = 126,226.48

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1.5x scale

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.