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Finding the Fourth Proportional to 323,019.88, 484,549.24 and 136,045.96

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Solution

The fourth proportional to 323,019.88, 484,549.24 and 136,045.96 is: 204,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,019.88 : 484,549.24 = 136,045.96 : x
  2. Step 2: Convert to fraction form
    323,019.88/484,549.24 = 136,045.96/x
  3. Step 3: Cross multiply
    323,019.88x = 484,549.24 × 136,045.96
  4. Step 4: Simplify right side
    323,019.88x = 65,920,966,523.07
  5. Step 5: Solve for x
    x = 65,920,966,523.07/323,019.88
  6. Step 6: Final answer
    x = 204,077.12

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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.