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Finding the Fourth Proportional to 188,656.51, 282,887.39 and 55,519.49

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Solution

The fourth proportional to 188,656.51, 282,887.39 and 55,519.49 is: 83,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,656.51 : 282,887.39 = 55,519.49 : x
  2. Step 2: Convert to fraction form
    188,656.51/282,887.39 = 55,519.49/x
  3. Step 3: Cross multiply
    188,656.51x = 282,887.39 × 55,519.49
  4. Step 4: Simplify right side
    188,656.51x = 15,705,764,153.95
  5. Step 5: Solve for x
    x = 15,705,764,153.95/188,656.51
  6. Step 6: Final answer
    x = 83,250.58

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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.