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Finding the Fourth Proportional to 251,333.80, 346,842.97 and 136,612.71

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Solution

The fourth proportional to 251,333.80, 346,842.97 and 136,612.71 is: 188,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.80 : 346,842.97 = 136,612.71 : x
  2. Step 2: Convert to fraction form
    251,333.80/346,842.97 = 136,612.71/x
  3. Step 3: Cross multiply
    251,333.80x = 346,842.97 × 136,612.71
  4. Step 4: Simplify right side
    251,333.80x = 47,383,158,076.15
  5. Step 5: Solve for x
    x = 47,383,158,076.15/251,333.80
  6. Step 6: Final answer
    x = 188,526.80

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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.