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Finding the Fourth Proportional to 114,775.68, 158,390.31 and 63,786.81

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Solution

The fourth proportional to 114,775.68, 158,390.31 and 63,786.81 is: 88,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,775.68 : 158,390.31 = 63,786.81 : x
  2. Step 2: Convert to fraction form
    114,775.68/158,390.31 = 63,786.81/x
  3. Step 3: Cross multiply
    114,775.68x = 158,390.31 × 63,786.81
  4. Step 4: Simplify right side
    114,775.68x = 10,103,212,609.81
  5. Step 5: Solve for x
    x = 10,103,212,609.81/114,775.68
  6. Step 6: Final answer
    x = 88,025.73

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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.