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Finding the Fourth Proportional to 92,887.72, 139,289 and 29,695.56

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Solution

The fourth proportional to 92,887.72, 139,289 and 29,695.56 is: 44,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,887.72 : 139,289 = 29,695.56 : x
  2. Step 2: Convert to fraction form
    92,887.72/139,289 = 29,695.56/x
  3. Step 3: Cross multiply
    92,887.72x = 139,289 × 29,695.56
  4. Step 4: Simplify right side
    92,887.72x = 4,136,264,856.84
  5. Step 5: Solve for x
    x = 4,136,264,856.84/92,887.72
  6. Step 6: Final answer
    x = 44,529.73

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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.