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Finding the Fourth Proportional to 316,581.37, 474,838.32 and 166,760.92

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Solution

The fourth proportional to 316,581.37, 474,838.32 and 166,760.92 is: 250,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,581.37 : 474,838.32 = 166,760.92 : x
  2. Step 2: Convert to fraction form
    316,581.37/474,838.32 = 166,760.92/x
  3. Step 3: Cross multiply
    316,581.37x = 474,838.32 × 166,760.92
  4. Step 4: Simplify right side
    316,581.37x = 79,184,475,094.45
  5. Step 5: Solve for x
    x = 79,184,475,094.45/316,581.37
  6. Step 6: Final answer
    x = 250,123.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.