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Finding the Fourth Proportional to 250,701.12, 376,052.96 and 84,490.56

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Solution

The fourth proportional to 250,701.12, 376,052.96 and 84,490.56 is: 126,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,701.12 : 376,052.96 = 84,490.56 : x
  2. Step 2: Convert to fraction form
    250,701.12/376,052.96 = 84,490.56/x
  3. Step 3: Cross multiply
    250,701.12x = 376,052.96 × 84,490.56
  4. Step 4: Simplify right side
    250,701.12x = 31,772,925,180.06
  5. Step 5: Solve for x
    x = 31,772,925,180.06/250,701.12
  6. Step 6: Final answer
    x = 126,736.27

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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.