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Finding the Fourth Proportional to 266,184.76, 399,080.30 and 160,980.34

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Solution

The fourth proportional to 266,184.76, 399,080.30 and 160,980.34 is: 241,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,184.76 : 399,080.30 = 160,980.34 : x
  2. Step 2: Convert to fraction form
    266,184.76/399,080.30 = 160,980.34/x
  3. Step 3: Cross multiply
    266,184.76x = 399,080.30 × 160,980.34
  4. Step 4: Simplify right side
    266,184.76x = 64,244,082,381.30
  5. Step 5: Solve for x
    x = 64,244,082,381.30/266,184.76
  6. Step 6: Final answer
    x = 241,351.47

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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.