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Finding the Fourth Proportional to 111,588.57, 153,991.73 and 60,600.90

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Solution

The fourth proportional to 111,588.57, 153,991.73 and 60,600.90 is: 83,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,588.57 : 153,991.73 = 60,600.90 : x
  2. Step 2: Convert to fraction form
    111,588.57/153,991.73 = 60,600.90/x
  3. Step 3: Cross multiply
    111,588.57x = 153,991.73 × 60,600.90
  4. Step 4: Simplify right side
    111,588.57x = 9,332,037,582.06
  5. Step 5: Solve for x
    x = 9,332,037,582.06/111,588.57
  6. Step 6: Final answer
    x = 83,628.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.