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Finding the Fourth Proportional to 243,907.40, 365,965.79 and 94,252.81

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Solution

The fourth proportional to 243,907.40, 365,965.79 and 94,252.81 is: 141,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,907.40 : 365,965.79 = 94,252.81 : x
  2. Step 2: Convert to fraction form
    243,907.40/365,965.79 = 94,252.81/x
  3. Step 3: Cross multiply
    243,907.40x = 365,965.79 × 94,252.81
  4. Step 4: Simplify right side
    243,907.40x = 34,493,305,063.37
  5. Step 5: Solve for x
    x = 34,493,305,063.37/243,907.40
  6. Step 6: Final answer
    x = 141,419.67

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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.