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Finding the Fourth Proportional to 163,869.58, 245,805.15 and 57,253.09

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Solution

The fourth proportional to 163,869.58, 245,805.15 and 57,253.09 is: 85,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,869.58 : 245,805.15 = 57,253.09 : x
  2. Step 2: Convert to fraction form
    163,869.58/245,805.15 = 57,253.09/x
  3. Step 3: Cross multiply
    163,869.58x = 245,805.15 × 57,253.09
  4. Step 4: Simplify right side
    163,869.58x = 14,073,104,375.41
  5. Step 5: Solve for x
    x = 14,073,104,375.41/163,869.58
  6. Step 6: Final answer
    x = 85,879.91

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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.