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Finding the Fourth Proportional to 96,313.51, 144,492.13 and 51,939.28

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Solution

The fourth proportional to 96,313.51, 144,492.13 and 51,939.28 is: 77,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,313.51 : 144,492.13 = 51,939.28 : x
  2. Step 2: Convert to fraction form
    96,313.51/144,492.13 = 51,939.28/x
  3. Step 3: Cross multiply
    96,313.51x = 144,492.13 × 51,939.28
  4. Step 4: Simplify right side
    96,313.51x = 7,504,816,484.56
  5. Step 5: Solve for x
    x = 7,504,816,484.56/96,313.51
  6. Step 6: Final answer
    x = 77,920.71

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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.