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Finding the Fourth Proportional to 93,164.70, 128,567.79 and 50,723.54

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Solution

The fourth proportional to 93,164.70, 128,567.79 and 50,723.54 is: 69,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,164.70 : 128,567.79 = 50,723.54 : x
  2. Step 2: Convert to fraction form
    93,164.70/128,567.79 = 50,723.54/x
  3. Step 3: Cross multiply
    93,164.70x = 128,567.79 × 50,723.54
  4. Step 4: Simplify right side
    93,164.70x = 6,521,413,438.78
  5. Step 5: Solve for x
    x = 6,521,413,438.78/93,164.70
  6. Step 6: Final answer
    x = 69,998.76

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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.