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Finding the Fourth Proportional to 54,088.80, 81,023.02 and 44,129.04

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Solution

The fourth proportional to 54,088.80, 81,023.02 and 44,129.04 is: 66,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.80 : 81,023.02 = 44,129.04 : x
  2. Step 2: Convert to fraction form
    54,088.80/81,023.02 = 44,129.04/x
  3. Step 3: Cross multiply
    54,088.80x = 81,023.02 × 44,129.04
  4. Step 4: Simplify right side
    54,088.80x = 3,575,468,090.50
  5. Step 5: Solve for x
    x = 3,575,468,090.50/54,088.80
  6. Step 6: Final answer
    x = 66,103.67

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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.