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Finding the Fourth Proportional to 240,676.64, 332,138.58 and 143,980.22

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Solution

The fourth proportional to 240,676.64, 332,138.58 and 143,980.22 is: 198,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,676.64 : 332,138.58 = 143,980.22 : x
  2. Step 2: Convert to fraction form
    240,676.64/332,138.58 = 143,980.22/x
  3. Step 3: Cross multiply
    240,676.64x = 332,138.58 × 143,980.22
  4. Step 4: Simplify right side
    240,676.64x = 47,821,385,818.89
  5. Step 5: Solve for x
    x = 47,821,385,818.89/240,676.64
  6. Step 6: Final answer
    x = 198,695.59

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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.