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Finding the Fourth Proportional to 161,747.30, 242,563.35 and 73,043.30

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Solution

The fourth proportional to 161,747.30, 242,563.35 and 73,043.30 is: 109,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.30 : 242,563.35 = 73,043.30 : x
  2. Step 2: Convert to fraction form
    161,747.30/242,563.35 = 73,043.30/x
  3. Step 3: Cross multiply
    161,747.30x = 242,563.35 × 73,043.30
  4. Step 4: Simplify right side
    161,747.30x = 17,717,627,543.06
  5. Step 5: Solve for x
    x = 17,717,627,543.06/161,747.30
  6. Step 6: Final answer
    x = 109,538.94

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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.