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Finding the Fourth Proportional to 93,223.08, 139,780.62 and 63,676.62

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Solution

The fourth proportional to 93,223.08, 139,780.62 and 63,676.62 is: 95,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.08 : 139,780.62 = 63,676.62 : x
  2. Step 2: Convert to fraction form
    93,223.08/139,780.62 = 63,676.62/x
  3. Step 3: Cross multiply
    93,223.08x = 139,780.62 × 63,676.62
  4. Step 4: Simplify right side
    93,223.08x = 8,900,757,423.10
  5. Step 5: Solve for x
    x = 8,900,757,423.10/93,223.08
  6. Step 6: Final answer
    x = 95,478.04

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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.