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Finding the Fourth Proportional to 283,574.94, 425,401.29 and 125,799.90

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Solution

The fourth proportional to 283,574.94, 425,401.29 and 125,799.90 is: 188,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,574.94 : 425,401.29 = 125,799.90 : x
  2. Step 2: Convert to fraction form
    283,574.94/425,401.29 = 125,799.90/x
  3. Step 3: Cross multiply
    283,574.94x = 425,401.29 × 125,799.90
  4. Step 4: Simplify right side
    283,574.94x = 53,515,439,741.87
  5. Step 5: Solve for x
    x = 53,515,439,741.87/283,574.94
  6. Step 6: Final answer
    x = 188,717.10

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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.