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Finding the Fourth Proportional to 59,952.86, 89,865.35 and 45,115.89

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Solution

The fourth proportional to 59,952.86, 89,865.35 and 45,115.89 is: 67,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,952.86 : 89,865.35 = 45,115.89 : x
  2. Step 2: Convert to fraction form
    59,952.86/89,865.35 = 45,115.89/x
  3. Step 3: Cross multiply
    59,952.86x = 89,865.35 × 45,115.89
  4. Step 4: Simplify right side
    59,952.86x = 4,054,354,852.02
  5. Step 5: Solve for x
    x = 4,054,354,852.02/59,952.86
  6. Step 6: Final answer
    x = 67,625.71

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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.