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Finding the Fourth Proportional to 146,007.80, 218,947.70 and 67,095.80

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Solution

The fourth proportional to 146,007.80, 218,947.70 and 67,095.80 is: 100,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.80 : 218,947.70 = 67,095.80 : x
  2. Step 2: Convert to fraction form
    146,007.80/218,947.70 = 67,095.80/x
  3. Step 3: Cross multiply
    146,007.80x = 218,947.70 × 67,095.80
  4. Step 4: Simplify right side
    146,007.80x = 14,690,471,089.66
  5. Step 5: Solve for x
    x = 14,690,471,089.66/146,007.80
  6. Step 6: Final answer
    x = 100,614.29

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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.