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Finding the Fourth Proportional to 104,644.44, 156,854.88 and 76,113

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Solution

The fourth proportional to 104,644.44, 156,854.88 and 76,113 is: 114,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.44 : 156,854.88 = 76,113 : x
  2. Step 2: Convert to fraction form
    104,644.44/156,854.88 = 76,113/x
  3. Step 3: Cross multiply
    104,644.44x = 156,854.88 × 76,113
  4. Step 4: Simplify right side
    104,644.44x = 11,938,695,481.44
  5. Step 5: Solve for x
    x = 11,938,695,481.44/104,644.44
  6. Step 6: Final answer
    x = 114,088.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.