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Finding the Fourth Proportional to 93,898.67, 129,579.95 and 50,879.33

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Solution

The fourth proportional to 93,898.67, 129,579.95 and 50,879.33 is: 70,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,898.67 : 129,579.95 = 50,879.33 : x
  2. Step 2: Convert to fraction form
    93,898.67/129,579.95 = 50,879.33/x
  3. Step 3: Cross multiply
    93,898.67x = 129,579.95 × 50,879.33
  4. Step 4: Simplify right side
    93,898.67x = 6,592,940,783.04
  5. Step 5: Solve for x
    x = 6,592,940,783.04/93,898.67
  6. Step 6: Final answer
    x = 70,213.36

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1.5x scale

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.