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Finding the Fourth Proportional to 251,422.70, 376,884.92 and 118,064.22

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Solution

The fourth proportional to 251,422.70, 376,884.92 and 118,064.22 is: 176,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,422.70 : 376,884.92 = 118,064.22 : x
  2. Step 2: Convert to fraction form
    251,422.70/376,884.92 = 118,064.22/x
  3. Step 3: Cross multiply
    251,422.70x = 376,884.92 × 118,064.22
  4. Step 4: Simplify right side
    251,422.70x = 44,496,624,109.56
  5. Step 5: Solve for x
    x = 44,496,624,109.56/251,422.70
  6. Step 6: Final answer
    x = 176,979.34

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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.