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Finding the Fourth Proportional to 174,334.78, 261,502.17 and 121,846.78

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Solution

The fourth proportional to 174,334.78, 261,502.17 and 121,846.78 is: 182,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,334.78 : 261,502.17 = 121,846.78 : x
  2. Step 2: Convert to fraction form
    174,334.78/261,502.17 = 121,846.78/x
  3. Step 3: Cross multiply
    174,334.78x = 261,502.17 × 121,846.78
  4. Step 4: Simplify right side
    174,334.78x = 31,863,197,377.51
  5. Step 5: Solve for x
    x = 31,863,197,377.51/174,334.78
  6. Step 6: Final answer
    x = 182,770.17

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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.