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Finding the Fourth Proportional to 89,394.45, 134,208.87 and 59,944.06

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Solution

The fourth proportional to 89,394.45, 134,208.87 and 59,944.06 is: 89,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,394.45 : 134,208.87 = 59,944.06 : x
  2. Step 2: Convert to fraction form
    89,394.45/134,208.87 = 59,944.06/x
  3. Step 3: Cross multiply
    89,394.45x = 134,208.87 × 59,944.06
  4. Step 4: Simplify right side
    89,394.45x = 8,045,024,498.78
  5. Step 5: Solve for x
    x = 8,045,024,498.78/89,394.45
  6. Step 6: Final answer
    x = 89,994.68

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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.