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Finding the Fourth Proportional to 116,473.20, 174,750.80 and 57,350.40

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Solution

The fourth proportional to 116,473.20, 174,750.80 and 57,350.40 is: 86,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,473.20 : 174,750.80 = 57,350.40 : x
  2. Step 2: Convert to fraction form
    116,473.20/174,750.80 = 57,350.40/x
  3. Step 3: Cross multiply
    116,473.20x = 174,750.80 × 57,350.40
  4. Step 4: Simplify right side
    116,473.20x = 10,022,027,993.57
  5. Step 5: Solve for x
    x = 10,022,027,993.57/116,473.20
  6. Step 6: Final answer
    x = 86,045.79

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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.