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Finding the Fourth Proportional to 89,529.50, 134,295.79 and 30,366.69

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Solution

The fourth proportional to 89,529.50, 134,295.79 and 30,366.69 is: 45,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,529.50 : 134,295.79 = 30,366.69 : x
  2. Step 2: Convert to fraction form
    89,529.50/134,295.79 = 30,366.69/x
  3. Step 3: Cross multiply
    89,529.50x = 134,295.79 × 30,366.69
  4. Step 4: Simplify right side
    89,529.50x = 4,078,118,547.32
  5. Step 5: Solve for x
    x = 4,078,118,547.32/89,529.50
  6. Step 6: Final answer
    x = 45,550.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.