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Finding the Fourth Proportional to 114,765.88, 158,376.66 and 63,778.44

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Solution

The fourth proportional to 114,765.88, 158,376.66 and 63,778.44 is: 88,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.88 : 158,376.66 = 63,778.44 : x
  2. Step 2: Convert to fraction form
    114,765.88/158,376.66 = 63,778.44/x
  3. Step 3: Cross multiply
    114,765.88x = 158,376.66 × 63,778.44
  4. Step 4: Simplify right side
    114,765.88x = 10,101,016,307.21
  5. Step 5: Solve for x
    x = 10,101,016,307.21/114,765.88
  6. Step 6: Final answer
    x = 88,014.11

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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.