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Finding the Fourth Proportional to 163,045.40, 244,446.60 and 84,216.20

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Solution

The fourth proportional to 163,045.40, 244,446.60 and 84,216.20 is: 126,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,045.40 : 244,446.60 = 84,216.20 : x
  2. Step 2: Convert to fraction form
    163,045.40/244,446.60 = 84,216.20/x
  3. Step 3: Cross multiply
    163,045.40x = 244,446.60 × 84,216.20
  4. Step 4: Simplify right side
    163,045.40x = 20,586,363,754.92
  5. Step 5: Solve for x
    x = 20,586,363,754.92/163,045.40
  6. Step 6: Final answer
    x = 126,261.54

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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.