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Finding the Fourth Proportional to 125,528.57, 188,294.37 and 36,783.87

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Solution

The fourth proportional to 125,528.57, 188,294.37 and 36,783.87 is: 55,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.57 : 188,294.37 = 36,783.87 : x
  2. Step 2: Convert to fraction form
    125,528.57/188,294.37 = 36,783.87/x
  3. Step 3: Cross multiply
    125,528.57x = 188,294.37 × 36,783.87
  4. Step 4: Simplify right side
    125,528.57x = 6,926,195,627.81
  5. Step 5: Solve for x
    x = 6,926,195,627.81/125,528.57
  6. Step 6: Final answer
    x = 55,176.25

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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.