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Finding the Fourth Proportional to 67,927.20, 101,890.80 and 49,495.20

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Solution

The fourth proportional to 67,927.20, 101,890.80 and 49,495.20 is: 74,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,927.20 : 101,890.80 = 49,495.20 : x
  2. Step 2: Convert to fraction form
    67,927.20/101,890.80 = 49,495.20/x
  3. Step 3: Cross multiply
    67,927.20x = 101,890.80 × 49,495.20
  4. Step 4: Simplify right side
    67,927.20x = 5,043,105,524.16
  5. Step 5: Solve for x
    x = 5,043,105,524.16/67,927.20
  6. Step 6: Final answer
    x = 74,242.80

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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.