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Finding the Fourth Proportional to 58,119.49, 87,193.86 and 16,566.49

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Solution

The fourth proportional to 58,119.49, 87,193.86 and 16,566.49 is: 24,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,119.49 : 87,193.86 = 16,566.49 : x
  2. Step 2: Convert to fraction form
    58,119.49/87,193.86 = 16,566.49/x
  3. Step 3: Cross multiply
    58,119.49x = 87,193.86 × 16,566.49
  4. Step 4: Simplify right side
    58,119.49x = 1,444,496,209.75
  5. Step 5: Solve for x
    x = 1,444,496,209.75/58,119.49
  6. Step 6: Final answer
    x = 24,853.90

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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.