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Finding the Fourth Proportional to 114,716.88, 158,303.91 and 63,732.90

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Solution

The fourth proportional to 114,716.88, 158,303.91 and 63,732.90 is: 87,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,716.88 : 158,303.91 = 63,732.90 : x
  2. Step 2: Convert to fraction form
    114,716.88/158,303.91 = 63,732.90/x
  3. Step 3: Cross multiply
    114,716.88x = 158,303.91 × 63,732.90
  4. Step 4: Simplify right side
    114,716.88x = 10,089,167,265.64
  5. Step 5: Solve for x
    x = 10,089,167,265.64/114,716.88
  6. Step 6: Final answer
    x = 87,948.41

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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.