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Finding the Fourth Proportional to 293,134.40, 440,047.20 and 166,875.20

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Solution

The fourth proportional to 293,134.40, 440,047.20 and 166,875.20 is: 250,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.40 : 440,047.20 = 166,875.20 : x
  2. Step 2: Convert to fraction form
    293,134.40/440,047.20 = 166,875.20/x
  3. Step 3: Cross multiply
    293,134.40x = 440,047.20 × 166,875.20
  4. Step 4: Simplify right side
    293,134.40x = 73,432,964,509.44
  5. Step 5: Solve for x
    x = 73,432,964,509.44/293,134.40
  6. Step 6: Final answer
    x = 250,509.54

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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.