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Finding the Fourth Proportional to 262,838.81, 394,214.99 and 73,312.04

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Solution

The fourth proportional to 262,838.81, 394,214.99 and 73,312.04 is: 109,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,838.81 : 394,214.99 = 73,312.04 : x
  2. Step 2: Convert to fraction form
    262,838.81/394,214.99 = 73,312.04/x
  3. Step 3: Cross multiply
    262,838.81x = 394,214.99 × 73,312.04
  4. Step 4: Simplify right side
    262,838.81x = 28,900,705,734.46
  5. Step 5: Solve for x
    x = 28,900,705,734.46/262,838.81
  6. Step 6: Final answer
    x = 109,956.00

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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.