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Finding the Fourth Proportional to 163,826.30, 245,848.80 and 92,748.80

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Solution

The fourth proportional to 163,826.30, 245,848.80 and 92,748.80 is: 139,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,826.30 : 245,848.80 = 92,748.80 : x
  2. Step 2: Convert to fraction form
    163,826.30/245,848.80 = 92,748.80/x
  3. Step 3: Cross multiply
    163,826.30x = 245,848.80 × 92,748.80
  4. Step 4: Simplify right side
    163,826.30x = 22,802,181,181.44
  5. Step 5: Solve for x
    x = 22,802,181,181.44/163,826.30
  6. Step 6: Final answer
    x = 139,185.11

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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.