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Finding the Fourth Proportional to 199,558.98, 299,388.15 and 59,313.78

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Solution

The fourth proportional to 199,558.98, 299,388.15 and 59,313.78 is: 88,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,558.98 : 299,388.15 = 59,313.78 : x
  2. Step 2: Convert to fraction form
    199,558.98/299,388.15 = 59,313.78/x
  3. Step 3: Cross multiply
    199,558.98x = 299,388.15 × 59,313.78
  4. Step 4: Simplify right side
    199,558.98x = 17,757,842,863.71
  5. Step 5: Solve for x
    x = 17,757,842,863.71/199,558.98
  6. Step 6: Final answer
    x = 88,985.44

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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.