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Finding the Fourth Proportional to 240,698.16, 331,961.67 and 154,671.12

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Solution

The fourth proportional to 240,698.16, 331,961.67 and 154,671.12 is: 213,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,698.16 : 331,961.67 = 154,671.12 : x
  2. Step 2: Convert to fraction form
    240,698.16/331,961.67 = 154,671.12/x
  3. Step 3: Cross multiply
    240,698.16x = 331,961.67 × 154,671.12
  4. Step 4: Simplify right side
    240,698.16x = 51,344,883,295.97
  5. Step 5: Solve for x
    x = 51,344,883,295.97/240,698.16
  6. Step 6: Final answer
    x = 213,316.48

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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.