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Finding the Fourth Proportional to 161,567.34, 242,354.25 and 43,238.49

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Solution

The fourth proportional to 161,567.34, 242,354.25 and 43,238.49 is: 64,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.34 : 242,354.25 = 43,238.49 : x
  2. Step 2: Convert to fraction form
    161,567.34/242,354.25 = 43,238.49/x
  3. Step 3: Cross multiply
    161,567.34x = 242,354.25 × 43,238.49
  4. Step 4: Simplify right side
    161,567.34x = 10,479,031,815.08
  5. Step 5: Solve for x
    x = 10,479,031,815.08/161,567.34
  6. Step 6: Final answer
    x = 64,858.60

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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.