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Finding the Fourth Proportional to 243,799.70, 365,734.52 and 75,334.73

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Solution

The fourth proportional to 243,799.70, 365,734.52 and 75,334.73 is: 113,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,799.70 : 365,734.52 = 75,334.73 : x
  2. Step 2: Convert to fraction form
    243,799.70/365,734.52 = 75,334.73/x
  3. Step 3: Cross multiply
    243,799.70x = 365,734.52 × 75,334.73
  4. Step 4: Simplify right side
    243,799.70x = 27,552,509,110.53
  5. Step 5: Solve for x
    x = 27,552,509,110.53/243,799.70
  6. Step 6: Final answer
    x = 113,012.89

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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.