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Finding the Fourth Proportional to 272,757.06, 409,191.48 and 114,985.80

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Solution

The fourth proportional to 272,757.06, 409,191.48 and 114,985.80 is: 172,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,757.06 : 409,191.48 = 114,985.80 : x
  2. Step 2: Convert to fraction form
    272,757.06/409,191.48 = 114,985.80/x
  3. Step 3: Cross multiply
    272,757.06x = 409,191.48 × 114,985.80
  4. Step 4: Simplify right side
    272,757.06x = 47,051,209,680.98
  5. Step 5: Solve for x
    x = 47,051,209,680.98/272,757.06
  6. Step 6: Final answer
    x = 172,502.26

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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.