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Finding the Fourth Proportional to 212,738.97, 293,676.80 and 151,524.57

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Solution

The fourth proportional to 212,738.97, 293,676.80 and 151,524.57 is: 209,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,738.97 : 293,676.80 = 151,524.57 : x
  2. Step 2: Convert to fraction form
    212,738.97/293,676.80 = 151,524.57/x
  3. Step 3: Cross multiply
    212,738.97x = 293,676.80 × 151,524.57
  4. Step 4: Simplify right side
    212,738.97x = 44,499,250,081.35
  5. Step 5: Solve for x
    x = 44,499,250,081.35/212,738.97
  6. Step 6: Final answer
    x = 209,173.01

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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.