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Finding the Fourth Proportional to 146,086.70, 219,130.70 and 46,247.39

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Solution

The fourth proportional to 146,086.70, 219,130.70 and 46,247.39 is: 69,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,086.70 : 219,130.70 = 46,247.39 : x
  2. Step 2: Convert to fraction form
    146,086.70/219,130.70 = 46,247.39/x
  3. Step 3: Cross multiply
    146,086.70x = 219,130.70 × 46,247.39
  4. Step 4: Simplify right side
    146,086.70x = 10,134,222,943.87
  5. Step 5: Solve for x
    x = 10,134,222,943.87/146,086.70
  6. Step 6: Final answer
    x = 69,371.29

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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.