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Finding the Fourth Proportional to 96,180.51, 144,145.02 and 51,711.51

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Solution

The fourth proportional to 96,180.51, 144,145.02 and 51,711.51 is: 77,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,180.51 : 144,145.02 = 51,711.51 : x
  2. Step 2: Convert to fraction form
    96,180.51/144,145.02 = 51,711.51/x
  3. Step 3: Cross multiply
    96,180.51x = 144,145.02 × 51,711.51
  4. Step 4: Simplify right side
    96,180.51x = 7,453,957,086.76
  5. Step 5: Solve for x
    x = 7,453,957,086.76/96,180.51
  6. Step 6: Final answer
    x = 77,499.66

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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.