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Finding the Fourth Proportional to 243,995.06, 365,951.07 and 66,460.56

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Solution

The fourth proportional to 243,995.06, 365,951.07 and 66,460.56 is: 99,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,995.06 : 365,951.07 = 66,460.56 : x
  2. Step 2: Convert to fraction form
    243,995.06/365,951.07 = 66,460.56/x
  3. Step 3: Cross multiply
    243,995.06x = 365,951.07 × 66,460.56
  4. Step 4: Simplify right side
    243,995.06x = 24,321,313,044.80
  5. Step 5: Solve for x
    x = 24,321,313,044.80/243,995.06
  6. Step 6: Final answer
    x = 99,679.53

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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.