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Finding the Fourth Proportional to 269,770.96, 372,259.29 and 172,802.96

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Solution

The fourth proportional to 269,770.96, 372,259.29 and 172,802.96 is: 238,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,770.96 : 372,259.29 = 172,802.96 : x
  2. Step 2: Convert to fraction form
    269,770.96/372,259.29 = 172,802.96/x
  3. Step 3: Cross multiply
    269,770.96x = 372,259.29 × 172,802.96
  4. Step 4: Simplify right side
    269,770.96x = 64,327,507,199.50
  5. Step 5: Solve for x
    x = 64,327,507,199.50/269,770.96
  6. Step 6: Final answer
    x = 238,452.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.