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Finding the Fourth Proportional to 283,056.71, 424,585.06 and 72,694.85

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Solution

The fourth proportional to 283,056.71, 424,585.06 and 72,694.85 is: 109,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,056.71 : 424,585.06 = 72,694.85 : x
  2. Step 2: Convert to fraction form
    283,056.71/424,585.06 = 72,694.85/x
  3. Step 3: Cross multiply
    283,056.71x = 424,585.06 × 72,694.85
  4. Step 4: Simplify right side
    283,056.71x = 30,865,144,944.28
  5. Step 5: Solve for x
    x = 30,865,144,944.28/283,056.71
  6. Step 6: Final answer
    x = 109,042.27

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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.