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Finding the Fourth Proportional to 66,058.58, 99,087.53 and 16,138.96

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Solution

The fourth proportional to 66,058.58, 99,087.53 and 16,138.96 is: 24,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,058.58 : 99,087.53 = 16,138.96 : x
  2. Step 2: Convert to fraction form
    66,058.58/99,087.53 = 16,138.96/x
  3. Step 3: Cross multiply
    66,058.58x = 99,087.53 × 16,138.96
  4. Step 4: Simplify right side
    66,058.58x = 1,599,169,354.76
  5. Step 5: Solve for x
    x = 1,599,169,354.76/66,058.58
  6. Step 6: Final answer
    x = 24,208.35

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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.