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Finding the Fourth Proportional to 194,788.77, 292,153.92 and 61,651.77

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Solution

The fourth proportional to 194,788.77, 292,153.92 and 61,651.77 is: 92,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,788.77 : 292,153.92 = 61,651.77 : x
  2. Step 2: Convert to fraction form
    194,788.77/292,153.92 = 61,651.77/x
  3. Step 3: Cross multiply
    194,788.77x = 292,153.92 × 61,651.77
  4. Step 4: Simplify right side
    194,788.77x = 18,011,806,280.44
  5. Step 5: Solve for x
    x = 18,011,806,280.44/194,788.77
  6. Step 6: Final answer
    x = 92,468.40

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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.