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Finding the Fourth Proportional to 240,858.08, 361,154.40 and 82,956.32

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Solution

The fourth proportional to 240,858.08, 361,154.40 and 82,956.32 is: 124,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,858.08 : 361,154.40 = 82,956.32 : x
  2. Step 2: Convert to fraction form
    240,858.08/361,154.40 = 82,956.32/x
  3. Step 3: Cross multiply
    240,858.08x = 361,154.40 × 82,956.32
  4. Step 4: Simplify right side
    240,858.08x = 29,960,039,975.81
  5. Step 5: Solve for x
    x = 29,960,039,975.81/240,858.08
  6. Step 6: Final answer
    x = 124,388.77

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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.