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Finding the Fourth Proportional to 125,935.97, 188,969.56 and 55,798.88

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Solution

The fourth proportional to 125,935.97, 188,969.56 and 55,798.88 is: 83,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935.97 : 188,969.56 = 55,798.88 : x
  2. Step 2: Convert to fraction form
    125,935.97/188,969.56 = 55,798.88/x
  3. Step 3: Cross multiply
    125,935.97x = 188,969.56 × 55,798.88
  4. Step 4: Simplify right side
    125,935.97x = 10,544,288,717.75
  5. Step 5: Solve for x
    x = 10,544,288,717.75/125,935.97
  6. Step 6: Final answer
    x = 83,727.38

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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.