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Finding the Fourth Proportional to 192,037.48, 288,101.02 and 65,678.70

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Solution

The fourth proportional to 192,037.48, 288,101.02 and 65,678.70 is: 98,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.48 : 288,101.02 = 65,678.70 : x
  2. Step 2: Convert to fraction form
    192,037.48/288,101.02 = 65,678.70/x
  3. Step 3: Cross multiply
    192,037.48x = 288,101.02 × 65,678.70
  4. Step 4: Simplify right side
    192,037.48x = 18,922,100,462.27
  5. Step 5: Solve for x
    x = 18,922,100,462.27/192,037.48
  6. Step 6: Final answer
    x = 98,533.37

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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.