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Finding the Fourth Proportional to 172,199.87, 237,619.50 and 95,709.88

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Solution

The fourth proportional to 172,199.87, 237,619.50 and 95,709.88 is: 132,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,199.87 : 237,619.50 = 95,709.88 : x
  2. Step 2: Convert to fraction form
    172,199.87/237,619.50 = 95,709.88/x
  3. Step 3: Cross multiply
    172,199.87x = 237,619.50 × 95,709.88
  4. Step 4: Simplify right side
    172,199.87x = 22,742,532,642.56
  5. Step 5: Solve for x
    x = 22,742,532,642.56/172,199.87
  6. Step 6: Final answer
    x = 132,070.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.