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Finding the Fourth Proportional to 125,528.56, 188,294.37 and 36,783.86

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Solution

The fourth proportional to 125,528.56, 188,294.37 and 36,783.86 is: 55,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.56 : 188,294.37 = 36,783.86 : x
  2. Step 2: Convert to fraction form
    125,528.56/188,294.37 = 36,783.86/x
  3. Step 3: Cross multiply
    125,528.56x = 188,294.37 × 36,783.86
  4. Step 4: Simplify right side
    125,528.56x = 6,926,193,744.87
  5. Step 5: Solve for x
    x = 6,926,193,744.87/125,528.56
  6. Step 6: Final answer
    x = 55,176.24

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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.