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Finding the Fourth Proportional to 175,241.20, 262,861.80 and 48,881.20

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Solution

The fourth proportional to 175,241.20, 262,861.80 and 48,881.20 is: 73,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,241.20 : 262,861.80 = 48,881.20 : x
  2. Step 2: Convert to fraction form
    175,241.20/262,861.80 = 48,881.20/x
  3. Step 3: Cross multiply
    175,241.20x = 262,861.80 × 48,881.20
  4. Step 4: Simplify right side
    175,241.20x = 12,849,000,218.16
  5. Step 5: Solve for x
    x = 12,849,000,218.16/175,241.20
  6. Step 6: Final answer
    x = 73,321.80

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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.