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Finding the Fourth Proportional to 73,088.43, 100,861.84 and 39,554.43

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Solution

The fourth proportional to 73,088.43, 100,861.84 and 39,554.43 is: 54,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,088.43 : 100,861.84 = 39,554.43 : x
  2. Step 2: Convert to fraction form
    73,088.43/100,861.84 = 39,554.43/x
  3. Step 3: Cross multiply
    73,088.43x = 100,861.84 × 39,554.43
  4. Step 4: Simplify right side
    73,088.43x = 3,989,532,392.18
  5. Step 5: Solve for x
    x = 3,989,532,392.18/73,088.43
  6. Step 6: Final answer
    x = 54,585.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.