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Finding the Fourth Proportional to 161,595.54, 242,388.72 and 43,266.96

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Solution

The fourth proportional to 161,595.54, 242,388.72 and 43,266.96 is: 64,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,595.54 : 242,388.72 = 43,266.96 : x
  2. Step 2: Convert to fraction form
    161,595.54/242,388.72 = 43,266.96/x
  3. Step 3: Cross multiply
    161,595.54x = 242,388.72 × 43,266.96
  4. Step 4: Simplify right side
    161,595.54x = 10,487,423,052.69
  5. Step 5: Solve for x
    x = 10,487,423,052.69/161,595.54
  6. Step 6: Final answer
    x = 64,899.21

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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.