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Finding the Fourth Proportional to 136,241.91, 204,373.08 and 36,399.87

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Solution

The fourth proportional to 136,241.91, 204,373.08 and 36,399.87 is: 54,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,241.91 : 204,373.08 = 36,399.87 : x
  2. Step 2: Convert to fraction form
    136,241.91/204,373.08 = 36,399.87/x
  3. Step 3: Cross multiply
    136,241.91x = 204,373.08 × 36,399.87
  4. Step 4: Simplify right side
    136,241.91x = 7,439,153,543.50
  5. Step 5: Solve for x
    x = 7,439,153,543.50/136,241.91
  6. Step 6: Final answer
    x = 54,602.53

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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.