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Finding the Fourth Proportional to 162,810.80, 244,216.20 and 91,660.40

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Solution

The fourth proportional to 162,810.80, 244,216.20 and 91,660.40 is: 137,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,810.80 : 244,216.20 = 91,660.40 : x
  2. Step 2: Convert to fraction form
    162,810.80/244,216.20 = 91,660.40/x
  3. Step 3: Cross multiply
    162,810.80x = 244,216.20 × 91,660.40
  4. Step 4: Simplify right side
    162,810.80x = 22,384,954,578.48
  5. Step 5: Solve for x
    x = 22,384,954,578.48/162,810.80
  6. Step 6: Final answer
    x = 137,490.60

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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.