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Finding the Fourth Proportional to 239,885.82, 359,829.99 and 99,644.58

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Solution

The fourth proportional to 239,885.82, 359,829.99 and 99,644.58 is: 149,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,885.82 : 359,829.99 = 99,644.58 : x
  2. Step 2: Convert to fraction form
    239,885.82/359,829.99 = 99,644.58/x
  3. Step 3: Cross multiply
    239,885.82x = 359,829.99 × 99,644.58
  4. Step 4: Simplify right side
    239,885.82x = 35,855,108,224.95
  5. Step 5: Solve for x
    x = 35,855,108,224.95/239,885.82
  6. Step 6: Final answer
    x = 149,467.39

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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.