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Finding the Fourth Proportional to 253,094.67, 379,498.23 and 103,159.35

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Solution

The fourth proportional to 253,094.67, 379,498.23 and 103,159.35 is: 154,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,094.67 : 379,498.23 = 103,159.35 : x
  2. Step 2: Convert to fraction form
    253,094.67/379,498.23 = 103,159.35/x
  3. Step 3: Cross multiply
    253,094.67x = 379,498.23 × 103,159.35
  4. Step 4: Simplify right side
    253,094.67x = 39,148,790,732.95
  5. Step 5: Solve for x
    x = 39,148,790,732.95/253,094.67
  6. Step 6: Final answer
    x = 154,680.42

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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.