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Finding the Fourth Proportional to 243,262.80, 364,566.15 and 163,072.80

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Solution

The fourth proportional to 243,262.80, 364,566.15 and 163,072.80 is: 244,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,262.80 : 364,566.15 = 163,072.80 : x
  2. Step 2: Convert to fraction form
    243,262.80/364,566.15 = 163,072.80/x
  3. Step 3: Cross multiply
    243,262.80x = 364,566.15 × 163,072.80
  4. Step 4: Simplify right side
    243,262.80x = 59,450,822,865.72
  5. Step 5: Solve for x
    x = 59,450,822,865.72/243,262.80
  6. Step 6: Final answer
    x = 244,389.29

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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.