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Finding the Fourth Proportional to 162,806.70, 244,210.05 and 120,816.30

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Solution

The fourth proportional to 162,806.70, 244,210.05 and 120,816.30 is: 181,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,806.70 : 244,210.05 = 120,816.30 : x
  2. Step 2: Convert to fraction form
    162,806.70/244,210.05 = 120,816.30/x
  3. Step 3: Cross multiply
    162,806.70x = 244,210.05 × 120,816.30
  4. Step 4: Simplify right side
    162,806.70x = 29,504,554,663.82
  5. Step 5: Solve for x
    x = 29,504,554,663.82/162,806.70
  6. Step 6: Final answer
    x = 181,224.45

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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.