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Finding the Fourth Proportional to 93,313,273.80, 139,969,910.70 and 83,907,424.20

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Solution

The fourth proportional to 93,313,273.80, 139,969,910.70 and 83,907,424.20 is: 125,861,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,273.80 : 139,969,910.70 = 83,907,424.20 : x
  2. Step 2: Convert to fraction form
    93,313,273.80/139,969,910.70 = 83,907,424.20/x
  3. Step 3: Cross multiply
    93,313,273.80x = 139,969,910.70 × 83,907,424.20
  4. Step 4: Simplify right side
    93,313,273.80x = 11,744,514,672,341,018
  5. Step 5: Solve for x
    x = 11,744,514,672,341,018/93,313,273.80
  6. Step 6: Final answer
    x = 125,861,136.30

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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.