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Finding the Fourth Proportional to 161,748.30, 242,564.85 and 73,044.30

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Solution

The fourth proportional to 161,748.30, 242,564.85 and 73,044.30 is: 109,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748.30 : 242,564.85 = 73,044.30 : x
  2. Step 2: Convert to fraction form
    161,748.30/242,564.85 = 73,044.30/x
  3. Step 3: Cross multiply
    161,748.30x = 242,564.85 × 73,044.30
  4. Step 4: Simplify right side
    161,748.30x = 17,717,979,672.86
  5. Step 5: Solve for x
    x = 17,717,979,672.86/161,748.30
  6. Step 6: Final answer
    x = 109,540.44

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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.