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Finding the Fourth Proportional to 57,124.38, 85,537.53 and 45,970.14

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Solution

The fourth proportional to 57,124.38, 85,537.53 and 45,970.14 is: 68,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.38 : 85,537.53 = 45,970.14 : x
  2. Step 2: Convert to fraction form
    57,124.38/85,537.53 = 45,970.14/x
  3. Step 3: Cross multiply
    57,124.38x = 85,537.53 × 45,970.14
  4. Step 4: Simplify right side
    57,124.38x = 3,932,172,229.35
  5. Step 5: Solve for x
    x = 3,932,172,229.35/57,124.38
  6. Step 6: Final answer
    x = 68,835.27

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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.