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Finding the Fourth Proportional to 161,766.55, 242,676.56 and 73,018.09

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Solution

The fourth proportional to 161,766.55, 242,676.56 and 73,018.09 is: 109,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,766.55 : 242,676.56 = 73,018.09 : x
  2. Step 2: Convert to fraction form
    161,766.55/242,676.56 = 73,018.09/x
  3. Step 3: Cross multiply
    161,766.55x = 242,676.56 × 73,018.09
  4. Step 4: Simplify right side
    161,766.55x = 17,719,778,898.97
  5. Step 5: Solve for x
    x = 17,719,778,898.97/161,766.55
  6. Step 6: Final answer
    x = 109,539.20

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1.5x scale

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.