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Finding the Fourth Proportional to 93,285.34, 128,735.23 and 50,843.82

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Solution

The fourth proportional to 93,285.34, 128,735.23 and 50,843.82 is: 70,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.34 : 128,735.23 = 50,843.82 : x
  2. Step 2: Convert to fraction form
    93,285.34/128,735.23 = 50,843.82/x
  3. Step 3: Cross multiply
    93,285.34x = 128,735.23 × 50,843.82
  4. Step 4: Simplify right side
    93,285.34x = 6,545,390,861.78
  5. Step 5: Solve for x
    x = 6,545,390,861.78/93,285.34
  6. Step 6: Final answer
    x = 70,165.27

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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.