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Finding the Fourth Proportional to 112,498.60, 168,942.30 and 60,010.60

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Solution

The fourth proportional to 112,498.60, 168,942.30 and 60,010.60 is: 90,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.60 : 168,942.30 = 60,010.60 : x
  2. Step 2: Convert to fraction form
    112,498.60/168,942.30 = 60,010.60/x
  3. Step 3: Cross multiply
    112,498.60x = 168,942.30 × 60,010.60
  4. Step 4: Simplify right side
    112,498.60x = 10,138,328,788.38
  5. Step 5: Solve for x
    x = 10,138,328,788.38/112,498.60
  6. Step 6: Final answer
    x = 90,119.60

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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.