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Finding the Fourth Proportional to 82,889.91, 114,389.85 and 48,906.66

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Solution

The fourth proportional to 82,889.91, 114,389.85 and 48,906.66 is: 67,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,889.91 : 114,389.85 = 48,906.66 : x
  2. Step 2: Convert to fraction form
    82,889.91/114,389.85 = 48,906.66/x
  3. Step 3: Cross multiply
    82,889.91x = 114,389.85 × 48,906.66
  4. Step 4: Simplify right side
    82,889.91x = 5,594,425,501.40
  5. Step 5: Solve for x
    x = 5,594,425,501.40/82,889.91
  6. Step 6: Final answer
    x = 67,492.24

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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.