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Finding the Fourth Proportional to 240,672.64, 332,133.06 and 143,976.22

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Solution

The fourth proportional to 240,672.64, 332,133.06 and 143,976.22 is: 198,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672.64 : 332,133.06 = 143,976.22 : x
  2. Step 2: Convert to fraction form
    240,672.64/332,133.06 = 143,976.22/x
  3. Step 3: Cross multiply
    240,672.64x = 332,133.06 × 143,976.22
  4. Step 4: Simplify right side
    240,672.64x = 47,819,262,515.83
  5. Step 5: Solve for x
    x = 47,819,262,515.83/240,672.64
  6. Step 6: Final answer
    x = 198,690.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.