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Finding the Fourth Proportional to 212,676.94, 293,550.78 and 125,538.66

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Solution

The fourth proportional to 212,676.94, 293,550.78 and 125,538.66 is: 173,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,676.94 : 293,550.78 = 125,538.66 : x
  2. Step 2: Convert to fraction form
    212,676.94/293,550.78 = 125,538.66/x
  3. Step 3: Cross multiply
    212,676.94x = 293,550.78 × 125,538.66
  4. Step 4: Simplify right side
    212,676.94x = 36,851,970,935.46
  5. Step 5: Solve for x
    x = 36,851,970,935.46/212,676.94
  6. Step 6: Final answer
    x = 173,276.76

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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.