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Finding the Fourth Proportional to 244,653.20, 366,893.40 and 86,886.80

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Solution

The fourth proportional to 244,653.20, 366,893.40 and 86,886.80 is: 130,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,653.20 : 366,893.40 = 86,886.80 : x
  2. Step 2: Convert to fraction form
    244,653.20/366,893.40 = 86,886.80/x
  3. Step 3: Cross multiply
    244,653.20x = 366,893.40 × 86,886.80
  4. Step 4: Simplify right side
    244,653.20x = 31,878,193,467.12
  5. Step 5: Solve for x
    x = 31,878,193,467.12/244,653.20
  6. Step 6: Final answer
    x = 130,299.52

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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.