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Finding the Fourth Proportional to 309,667.89, 464,579.88 and 88,051.89

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Solution

The fourth proportional to 309,667.89, 464,579.88 and 88,051.89 is: 132,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,667.89 : 464,579.88 = 88,051.89 : x
  2. Step 2: Convert to fraction form
    309,667.89/464,579.88 = 88,051.89/x
  3. Step 3: Cross multiply
    309,667.89x = 464,579.88 × 88,051.89
  4. Step 4: Simplify right side
    309,667.89x = 40,907,136,489.97
  5. Step 5: Solve for x
    x = 40,907,136,489.97/309,667.89
  6. Step 6: Final answer
    x = 132,100.03

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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.