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Finding the Fourth Proportional to 96,062.72, 144,091.01 and 43,472.21

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Solution

The fourth proportional to 96,062.72, 144,091.01 and 43,472.21 is: 65,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,062.72 : 144,091.01 = 43,472.21 : x
  2. Step 2: Convert to fraction form
    96,062.72/144,091.01 = 43,472.21/x
  3. Step 3: Cross multiply
    96,062.72x = 144,091.01 × 43,472.21
  4. Step 4: Simplify right side
    96,062.72x = 6,263,953,708.02
  5. Step 5: Solve for x
    x = 6,263,953,708.02/96,062.72
  6. Step 6: Final answer
    x = 65,206.92

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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.