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Finding the Fourth Proportional to 279,083.44, 418,625.48 and 101,591.92

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Solution

The fourth proportional to 279,083.44, 418,625.48 and 101,591.92 is: 152,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,083.44 : 418,625.48 = 101,591.92 : x
  2. Step 2: Convert to fraction form
    279,083.44/418,625.48 = 101,591.92/x
  3. Step 3: Cross multiply
    279,083.44x = 418,625.48 × 101,591.92
  4. Step 4: Simplify right side
    279,083.44x = 42,528,966,274.12
  5. Step 5: Solve for x
    x = 42,528,966,274.12/279,083.44
  6. Step 6: Final answer
    x = 152,388.00

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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.