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Finding the Fourth Proportional to 116,159.60, 173,850.60 and 81,167.60

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Solution

The fourth proportional to 116,159.60, 173,850.60 and 81,167.60 is: 121,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,159.60 : 173,850.60 = 81,167.60 : x
  2. Step 2: Convert to fraction form
    116,159.60/173,850.60 = 81,167.60/x
  3. Step 3: Cross multiply
    116,159.60x = 173,850.60 × 81,167.60
  4. Step 4: Simplify right side
    116,159.60x = 14,111,035,960.56
  5. Step 5: Solve for x
    x = 14,111,035,960.56/116,159.60
  6. Step 6: Final answer
    x = 121,479.72

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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.