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Finding the Fourth Proportional to 68,460.60, 102,518.10 and 44,959.80

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Solution

The fourth proportional to 68,460.60, 102,518.10 and 44,959.80 is: 67,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,460.60 : 102,518.10 = 44,959.80 : x
  2. Step 2: Convert to fraction form
    68,460.60/102,518.10 = 44,959.80/x
  3. Step 3: Cross multiply
    68,460.60x = 102,518.10 × 44,959.80
  4. Step 4: Simplify right side
    68,460.60x = 4,609,193,272.38
  5. Step 5: Solve for x
    x = 4,609,193,272.38/68,460.60
  6. Step 6: Final answer
    x = 67,326.22

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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.