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Finding the Fourth Proportional to 243,659.73, 365,523.90 and 75,193.74

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Solution

The fourth proportional to 243,659.73, 365,523.90 and 75,193.74 is: 112,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,659.73 : 365,523.90 = 75,193.74 : x
  2. Step 2: Convert to fraction form
    243,659.73/365,523.90 = 75,193.74/x
  3. Step 3: Cross multiply
    243,659.73x = 365,523.90 × 75,193.74
  4. Step 4: Simplify right side
    243,659.73x = 27,485,109,100.39
  5. Step 5: Solve for x
    x = 27,485,109,100.39/243,659.73
  6. Step 6: Final answer
    x = 112,801.20

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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.