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Finding the Fourth Proportional to 239,961.30, 359,980.83 and 99,727.62

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Solution

The fourth proportional to 239,961.30, 359,980.83 and 99,727.62 is: 149,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,961.30 : 359,980.83 = 99,727.62 : x
  2. Step 2: Convert to fraction form
    239,961.30/359,980.83 = 99,727.62/x
  3. Step 3: Cross multiply
    239,961.30x = 359,980.83 × 99,727.62
  4. Step 4: Simplify right side
    239,961.30x = 35,900,031,421.52
  5. Step 5: Solve for x
    x = 35,900,031,421.52/239,961.30
  6. Step 6: Final answer
    x = 149,607.59

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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.