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Finding the Fourth Proportional to 240,724.60, 361,091.00 and 91,035.38

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Solution

The fourth proportional to 240,724.60, 361,091.00 and 91,035.38 is: 136,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,724.60 : 361,091.00 = 91,035.38 : x
  2. Step 2: Convert to fraction form
    240,724.60/361,091.00 = 91,035.38/x
  3. Step 3: Cross multiply
    240,724.60x = 361,091.00 × 91,035.38
  4. Step 4: Simplify right side
    240,724.60x = 32,872,057,529.90
  5. Step 5: Solve for x
    x = 32,872,057,529.90/240,724.60
  6. Step 6: Final answer
    x = 136,554.63

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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.