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Finding the Fourth Proportional to 161,630.88, 242,483.04 and 49,321.14

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Solution

The fourth proportional to 161,630.88, 242,483.04 and 49,321.14 is: 73,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.88 : 242,483.04 = 49,321.14 : x
  2. Step 2: Convert to fraction form
    161,630.88/242,483.04 = 49,321.14/x
  3. Step 3: Cross multiply
    161,630.88x = 242,483.04 × 49,321.14
  4. Step 4: Simplify right side
    161,630.88x = 11,959,539,963.47
  5. Step 5: Solve for x
    x = 11,959,539,963.47/161,630.88
  6. Step 6: Final answer
    x = 73,992.91

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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.