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Finding the Fourth Proportional to 116,950.40, 175,310.40 and 57,795.20

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Solution

The fourth proportional to 116,950.40, 175,310.40 and 57,795.20 is: 86,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,950.40 : 175,310.40 = 57,795.20 : x
  2. Step 2: Convert to fraction form
    116,950.40/175,310.40 = 57,795.20/x
  3. Step 3: Cross multiply
    116,950.40x = 175,310.40 × 57,795.20
  4. Step 4: Simplify right side
    116,950.40x = 10,132,099,630.08
  5. Step 5: Solve for x
    x = 10,132,099,630.08/116,950.40
  6. Step 6: Final answer
    x = 86,635.87

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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.