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Finding the Fourth Proportional to 243,964.56, 366,365.64 and 149,748

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Solution

The fourth proportional to 243,964.56, 366,365.64 and 149,748 is: 224,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,964.56 : 366,365.64 = 149,748 : x
  2. Step 2: Convert to fraction form
    243,964.56/366,365.64 = 149,748/x
  3. Step 3: Cross multiply
    243,964.56x = 366,365.64 × 149,748
  4. Step 4: Simplify right side
    243,964.56x = 54,862,521,858.72
  5. Step 5: Solve for x
    x = 54,862,521,858.72/243,964.56
  6. Step 6: Final answer
    x = 224,879.06

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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.