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Finding the Fourth Proportional to 125,673.68, 188,509.56 and 32,179.28

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Solution

The fourth proportional to 125,673.68, 188,509.56 and 32,179.28 is: 48,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,673.68 : 188,509.56 = 32,179.28 : x
  2. Step 2: Convert to fraction form
    125,673.68/188,509.56 = 32,179.28/x
  3. Step 3: Cross multiply
    125,673.68x = 188,509.56 × 32,179.28
  4. Step 4: Simplify right side
    125,673.68x = 6,066,101,913.92
  5. Step 5: Solve for x
    x = 6,066,101,913.92/125,673.68
  6. Step 6: Final answer
    x = 48,268.67

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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.