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Finding the Fourth Proportional to 116,443.70, 174,550.35 and 57,230.90

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Solution

The fourth proportional to 116,443.70, 174,550.35 and 57,230.90 is: 85,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,443.70 : 174,550.35 = 57,230.90 : x
  2. Step 2: Convert to fraction form
    116,443.70/174,550.35 = 57,230.90/x
  3. Step 3: Cross multiply
    116,443.70x = 174,550.35 × 57,230.90
  4. Step 4: Simplify right side
    116,443.70x = 9,989,673,625.82
  5. Step 5: Solve for x
    x = 9,989,673,625.82/116,443.70
  6. Step 6: Final answer
    x = 85,789.73

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1.5x scale

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.