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Finding the Fourth Proportional to 89,543.68, 134,313.12 and 36,914.08

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Solution

The fourth proportional to 89,543.68, 134,313.12 and 36,914.08 is: 55,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543.68 : 134,313.12 = 36,914.08 : x
  2. Step 2: Convert to fraction form
    89,543.68/134,313.12 = 36,914.08/x
  3. Step 3: Cross multiply
    89,543.68x = 134,313.12 × 36,914.08
  4. Step 4: Simplify right side
    89,543.68x = 4,958,045,256.73
  5. Step 5: Solve for x
    x = 4,958,045,256.73/89,543.68
  6. Step 6: Final answer
    x = 55,370.13

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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.