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Finding the Fourth Proportional to 116,751.88, 175,131.58 and 45,671.72

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Solution

The fourth proportional to 116,751.88, 175,131.58 and 45,671.72 is: 68,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,751.88 : 175,131.58 = 45,671.72 : x
  2. Step 2: Convert to fraction form
    116,751.88/175,131.58 = 45,671.72/x
  3. Step 3: Cross multiply
    116,751.88x = 175,131.58 × 45,671.72
  4. Step 4: Simplify right side
    116,751.88x = 7,998,560,484.92
  5. Step 5: Solve for x
    x = 7,998,560,484.92/116,751.88
  6. Step 6: Final answer
    x = 68,509.05

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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.