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Finding the Fourth Proportional to 183,434.40, 253,154.40 and 107,997.60

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Solution

The fourth proportional to 183,434.40, 253,154.40 and 107,997.60 is: 149,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,434.40 : 253,154.40 = 107,997.60 : x
  2. Step 2: Convert to fraction form
    183,434.40/253,154.40 = 107,997.60/x
  3. Step 3: Cross multiply
    183,434.40x = 253,154.40 × 107,997.60
  4. Step 4: Simplify right side
    183,434.40x = 27,340,067,629.44
  5. Step 5: Solve for x
    x = 27,340,067,629.44/183,434.40
  6. Step 6: Final answer
    x = 149,045.48

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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.