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Finding the Fourth Proportional to 255,029.06, 351,939.15 and 141,851.81

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Solution

The fourth proportional to 255,029.06, 351,939.15 and 141,851.81 is: 195,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,029.06 : 351,939.15 = 141,851.81 : x
  2. Step 2: Convert to fraction form
    255,029.06/351,939.15 = 141,851.81/x
  3. Step 3: Cross multiply
    255,029.06x = 351,939.15 × 141,851.81
  4. Step 4: Simplify right side
    255,029.06x = 49,923,205,437.36
  5. Step 5: Solve for x
    x = 49,923,205,437.36/255,029.06
  6. Step 6: Final answer
    x = 195,754.97

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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.