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Finding the Fourth Proportional to 116,817.85, 175,241.36 and 45,731.30

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Solution

The fourth proportional to 116,817.85, 175,241.36 and 45,731.30 is: 68,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,817.85 : 175,241.36 = 45,731.30 : x
  2. Step 2: Convert to fraction form
    116,817.85/175,241.36 = 45,731.30/x
  3. Step 3: Cross multiply
    116,817.85x = 175,241.36 × 45,731.30
  4. Step 4: Simplify right side
    116,817.85x = 8,014,015,416.01
  5. Step 5: Solve for x
    x = 8,014,015,416.01/116,817.85
  6. Step 6: Final answer
    x = 68,602.66

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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.