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Finding the Fourth Proportional to 341,929.80, 512,894.67 and 92,611.80

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Solution

The fourth proportional to 341,929.80, 512,894.67 and 92,611.80 is: 138,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,929.80 : 512,894.67 = 92,611.80 : x
  2. Step 2: Convert to fraction form
    341,929.80/512,894.67 = 92,611.80/x
  3. Step 3: Cross multiply
    341,929.80x = 512,894.67 × 92,611.80
  4. Step 4: Simplify right side
    341,929.80x = 47,500,098,599.11
  5. Step 5: Solve for x
    x = 47,500,098,599.11/341,929.80
  6. Step 6: Final answer
    x = 138,917.69

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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.