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Finding the Fourth Proportional to 113,365.68, 169,975.62 and 54,200.04

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Solution

The fourth proportional to 113,365.68, 169,975.62 and 54,200.04 is: 81,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,365.68 : 169,975.62 = 54,200.04 : x
  2. Step 2: Convert to fraction form
    113,365.68/169,975.62 = 54,200.04/x
  3. Step 3: Cross multiply
    113,365.68x = 169,975.62 × 54,200.04
  4. Step 4: Simplify right side
    113,365.68x = 9,212,685,403.02
  5. Step 5: Solve for x
    x = 9,212,685,403.02/113,365.68
  6. Step 6: Final answer
    x = 81,265.21

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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.