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Finding the Fourth Proportional to 93,093.48, 128,469.54 and 50,652.30

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Solution

The fourth proportional to 93,093.48, 128,469.54 and 50,652.30 is: 69,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.48 : 128,469.54 = 50,652.30 : x
  2. Step 2: Convert to fraction form
    93,093.48/128,469.54 = 50,652.30/x
  3. Step 3: Cross multiply
    93,093.48x = 128,469.54 × 50,652.30
  4. Step 4: Simplify right side
    93,093.48x = 6,507,277,680.94
  5. Step 5: Solve for x
    x = 6,507,277,680.94/93,093.48
  6. Step 6: Final answer
    x = 69,900.47

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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.