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Finding the Fourth Proportional to 187,852.81, 259,240.01 and 101,814.54

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Solution

The fourth proportional to 187,852.81, 259,240.01 and 101,814.54 is: 140,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,852.81 : 259,240.01 = 101,814.54 : x
  2. Step 2: Convert to fraction form
    187,852.81/259,240.01 = 101,814.54/x
  3. Step 3: Cross multiply
    187,852.81x = 259,240.01 × 101,814.54
  4. Step 4: Simplify right side
    187,852.81x = 26,394,402,367.75
  5. Step 5: Solve for x
    x = 26,394,402,367.75/187,852.81
  6. Step 6: Final answer
    x = 140,505.76

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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.