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Finding the Fourth Proportional to 125,933.94, 188,710.56 and 75,958.56

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Solution

The fourth proportional to 125,933.94, 188,710.56 and 75,958.56 is: 113,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,933.94 : 188,710.56 = 75,958.56 : x
  2. Step 2: Convert to fraction form
    125,933.94/188,710.56 = 75,958.56/x
  3. Step 3: Cross multiply
    125,933.94x = 188,710.56 × 75,958.56
  4. Step 4: Simplify right side
    125,933.94x = 14,334,182,394.39
  5. Step 5: Solve for x
    x = 14,334,182,394.39/125,933.94
  6. Step 6: Final answer
    x = 113,823.03

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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.