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Finding the Fourth Proportional to 239,883.40, 359,804.21 and 97,743.65

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Solution

The fourth proportional to 239,883.40, 359,804.21 and 97,743.65 is: 146,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,883.40 : 359,804.21 = 97,743.65 : x
  2. Step 2: Convert to fraction form
    239,883.40/359,804.21 = 97,743.65/x
  3. Step 3: Cross multiply
    239,883.40x = 359,804.21 × 97,743.65
  4. Step 4: Simplify right side
    239,883.40x = 35,168,577,181.56
  5. Step 5: Solve for x
    x = 35,168,577,181.56/239,883.40
  6. Step 6: Final answer
    x = 146,606.97

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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.