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Finding the Fourth Proportional to 323,193.10, 484,822.76 and 123,681.29

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Solution

The fourth proportional to 323,193.10, 484,822.76 and 123,681.29 is: 185,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,193.10 : 484,822.76 = 123,681.29 : x
  2. Step 2: Convert to fraction form
    323,193.10/484,822.76 = 123,681.29/x
  3. Step 3: Cross multiply
    323,193.10x = 484,822.76 × 123,681.29
  4. Step 4: Simplify right side
    323,193.10x = 59,963,505,899.42
  5. Step 5: Solve for x
    x = 59,963,505,899.42/323,193.10
  6. Step 6: Final answer
    x = 185,534.61

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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.