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Finding the Fourth Proportional to 479,954.46, 719,852.89 and 160,108.79

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Solution

The fourth proportional to 479,954.46, 719,852.89 and 160,108.79 is: 240,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,954.46 : 719,852.89 = 160,108.79 : x
  2. Step 2: Convert to fraction form
    479,954.46/719,852.89 = 160,108.79/x
  3. Step 3: Cross multiply
    479,954.46x = 719,852.89 × 160,108.79
  4. Step 4: Simplify right side
    479,954.46x = 115,254,775,195.90
  5. Step 5: Solve for x
    x = 115,254,775,195.90/479,954.46
  6. Step 6: Final answer
    x = 240,136.90

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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.