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Finding the Fourth Proportional to 161,394.88, 242,131.20 and 50,586.88

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Solution

The fourth proportional to 161,394.88, 242,131.20 and 50,586.88 is: 75,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,394.88 : 242,131.20 = 50,586.88 : x
  2. Step 2: Convert to fraction form
    161,394.88/242,131.20 = 50,586.88/x
  3. Step 3: Cross multiply
    161,394.88x = 242,131.20 × 50,586.88
  4. Step 4: Simplify right side
    161,394.88x = 12,248,660,495.07
  5. Step 5: Solve for x
    x = 12,248,660,495.07/161,394.88
  6. Step 6: Final answer
    x = 75,892.50

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1.5x scale

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.