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Finding the Fourth Proportional to 146,744.80, 219,922.80 and 130,026.40

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Solution

The fourth proportional to 146,744.80, 219,922.80 and 130,026.40 is: 194,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,744.80 : 219,922.80 = 130,026.40 : x
  2. Step 2: Convert to fraction form
    146,744.80/219,922.80 = 130,026.40/x
  3. Step 3: Cross multiply
    146,744.80x = 219,922.80 × 130,026.40
  4. Step 4: Simplify right side
    146,744.80x = 28,595,769,961.92
  5. Step 5: Solve for x
    x = 28,595,769,961.92/146,744.80
  6. Step 6: Final answer
    x = 194,867.35

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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.