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Finding the Fourth Proportional to 181,709.28, 272,566.32 and 57,050.28

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Solution

The fourth proportional to 181,709.28, 272,566.32 and 57,050.28 is: 85,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,709.28 : 272,566.32 = 57,050.28 : x
  2. Step 2: Convert to fraction form
    181,709.28/272,566.32 = 57,050.28/x
  3. Step 3: Cross multiply
    181,709.28x = 272,566.32 × 57,050.28
  4. Step 4: Simplify right side
    181,709.28x = 15,549,984,874.57
  5. Step 5: Solve for x
    x = 15,549,984,874.57/181,709.28
  6. Step 6: Final answer
    x = 85,576.17

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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.