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Finding the Fourth Proportional to 57,156.51, 85,648.66 and 50,927.67

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Solution

The fourth proportional to 57,156.51, 85,648.66 and 50,927.67 is: 76,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.51 : 85,648.66 = 50,927.67 : x
  2. Step 2: Convert to fraction form
    57,156.51/85,648.66 = 50,927.67/x
  3. Step 3: Cross multiply
    57,156.51x = 85,648.66 × 50,927.67
  4. Step 4: Simplify right side
    57,156.51x = 4,361,887,077.26
  5. Step 5: Solve for x
    x = 4,361,887,077.26/57,156.51
  6. Step 6: Final answer
    x = 76,314.80

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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.