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Finding the Fourth Proportional to 93,141.70, 139,717.61 and 26,576.71

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Solution

The fourth proportional to 93,141.70, 139,717.61 and 26,576.71 is: 39,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.70 : 139,717.61 = 26,576.71 : x
  2. Step 2: Convert to fraction form
    93,141.70/139,717.61 = 26,576.71/x
  3. Step 3: Cross multiply
    93,141.70x = 139,717.61 × 26,576.71
  4. Step 4: Simplify right side
    93,141.70x = 3,713,234,402.86
  5. Step 5: Solve for x
    x = 3,713,234,402.86/93,141.70
  6. Step 6: Final answer
    x = 39,866.51

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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.