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Finding the Fourth Proportional to 202,675.32, 279,719.74 and 116,632.52

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Solution

The fourth proportional to 202,675.32, 279,719.74 and 116,632.52 is: 160,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,675.32 : 279,719.74 = 116,632.52 : x
  2. Step 2: Convert to fraction form
    202,675.32/279,719.74 = 116,632.52/x
  3. Step 3: Cross multiply
    202,675.32x = 279,719.74 × 116,632.52
  4. Step 4: Simplify right side
    202,675.32x = 32,624,418,169.94
  5. Step 5: Solve for x
    x = 32,624,418,169.94/202,675.32
  6. Step 6: Final answer
    x = 160,968.87

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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.