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Finding the Fourth Proportional to 301,817.34, 452,769.48 and 91,471.68

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Solution

The fourth proportional to 301,817.34, 452,769.48 and 91,471.68 is: 137,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,817.34 : 452,769.48 = 91,471.68 : x
  2. Step 2: Convert to fraction form
    301,817.34/452,769.48 = 91,471.68/x
  3. Step 3: Cross multiply
    301,817.34x = 452,769.48 × 91,471.68
  4. Step 4: Simplify right side
    301,817.34x = 41,415,584,988.33
  5. Step 5: Solve for x
    x = 41,415,584,988.33/301,817.34
  6. Step 6: Final answer
    x = 137,220.69

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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.