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Finding the Fourth Proportional to 80,088.96, 110,567.76 and 53,268

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Solution

The fourth proportional to 80,088.96, 110,567.76 and 53,268 is: 73,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088.96 : 110,567.76 = 53,268 : x
  2. Step 2: Convert to fraction form
    80,088.96/110,567.76 = 53,268/x
  3. Step 3: Cross multiply
    80,088.96x = 110,567.76 × 53,268
  4. Step 4: Simplify right side
    80,088.96x = 5,889,723,439.68
  5. Step 5: Solve for x
    x = 5,889,723,439.68/80,088.96
  6. Step 6: Final answer
    x = 73,539.77

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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.