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Finding the Fourth Proportional to 309,661.88, 464,570.87 and 88,045.88

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Solution

The fourth proportional to 309,661.88, 464,570.87 and 88,045.88 is: 132,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,661.88 : 464,570.87 = 88,045.88 : x
  2. Step 2: Convert to fraction form
    309,661.88/464,570.87 = 88,045.88/x
  3. Step 3: Cross multiply
    309,661.88x = 464,570.87 × 88,045.88
  4. Step 4: Simplify right side
    309,661.88x = 40,903,548,308.43
  5. Step 5: Solve for x
    x = 40,903,548,308.43/309,661.88
  6. Step 6: Final answer
    x = 132,091.01

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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.