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Finding the Fourth Proportional to 65,156.55, 89,874.99 and 50,026.11

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Solution

The fourth proportional to 65,156.55, 89,874.99 and 50,026.11 is: 69,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,156.55 : 89,874.99 = 50,026.11 : x
  2. Step 2: Convert to fraction form
    65,156.55/89,874.99 = 50,026.11/x
  3. Step 3: Cross multiply
    65,156.55x = 89,874.99 × 50,026.11
  4. Step 4: Simplify right side
    65,156.55x = 4,496,096,135.99
  5. Step 5: Solve for x
    x = 4,496,096,135.99/65,156.55
  6. Step 6: Final answer
    x = 69,004.52

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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.