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Finding the Fourth Proportional to 93,379.27, 128,862.57 and 50,936.89

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Solution

The fourth proportional to 93,379.27, 128,862.57 and 50,936.89 is: 70,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,379.27 : 128,862.57 = 50,936.89 : x
  2. Step 2: Convert to fraction form
    93,379.27/128,862.57 = 50,936.89/x
  3. Step 3: Cross multiply
    93,379.27x = 128,862.57 × 50,936.89
  4. Step 4: Simplify right side
    93,379.27x = 6,563,858,553.21
  5. Step 5: Solve for x
    x = 6,563,858,553.21/93,379.27
  6. Step 6: Final answer
    x = 70,292.46

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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.