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Finding the Fourth Proportional to 201,316.80, 301,976.52 and 59,161.56

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Solution

The fourth proportional to 201,316.80, 301,976.52 and 59,161.56 is: 88,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,316.80 : 301,976.52 = 59,161.56 : x
  2. Step 2: Convert to fraction form
    201,316.80/301,976.52 = 59,161.56/x
  3. Step 3: Cross multiply
    201,316.80x = 301,976.52 × 59,161.56
  4. Step 4: Simplify right side
    201,316.80x = 17,865,402,006.57
  5. Step 5: Solve for x
    x = 17,865,402,006.57/201,316.80
  6. Step 6: Final answer
    x = 88,742.73

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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.