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Finding the Fourth Proportional to 248,508.12, 342,929.52 and 141,063.96

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Solution

The fourth proportional to 248,508.12, 342,929.52 and 141,063.96 is: 194,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,508.12 : 342,929.52 = 141,063.96 : x
  2. Step 2: Convert to fraction form
    248,508.12/342,929.52 = 141,063.96/x
  3. Step 3: Cross multiply
    248,508.12x = 342,929.52 × 141,063.96
  4. Step 4: Simplify right side
    248,508.12x = 48,374,996,092.10
  5. Step 5: Solve for x
    x = 48,374,996,092.10/248,508.12
  6. Step 6: Final answer
    x = 194,661.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.