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Finding the Fourth Proportional to 96,123.20, 144,330.60 and 73,961.60

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Solution

The fourth proportional to 96,123.20, 144,330.60 and 73,961.60 is: 111,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,123.20 : 144,330.60 = 73,961.60 : x
  2. Step 2: Convert to fraction form
    96,123.20/144,330.60 = 73,961.60/x
  3. Step 3: Cross multiply
    96,123.20x = 144,330.60 × 73,961.60
  4. Step 4: Simplify right side
    96,123.20x = 10,674,922,104.96
  5. Step 5: Solve for x
    x = 10,674,922,104.96/96,123.20
  6. Step 6: Final answer
    x = 111,054.59

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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.