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Finding the Fourth Proportional to 283,581.94, 425,411.80 and 125,806.90

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Solution

The fourth proportional to 283,581.94, 425,411.80 and 125,806.90 is: 188,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,581.94 : 425,411.80 = 125,806.90 : x
  2. Step 2: Convert to fraction form
    283,581.94/425,411.80 = 125,806.90/x
  3. Step 3: Cross multiply
    283,581.94x = 425,411.80 × 125,806.90
  4. Step 4: Simplify right side
    283,581.94x = 53,519,739,781.42
  5. Step 5: Solve for x
    x = 53,519,739,781.42/283,581.94
  6. Step 6: Final answer
    x = 188,727.60

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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.