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Finding the Fourth Proportional to 194,730.60, 292,062.78 and 54,456.60

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Solution

The fourth proportional to 194,730.60, 292,062.78 and 54,456.60 is: 81,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,730.60 : 292,062.78 = 54,456.60 : x
  2. Step 2: Convert to fraction form
    194,730.60/292,062.78 = 54,456.60/x
  3. Step 3: Cross multiply
    194,730.60x = 292,062.78 × 54,456.60
  4. Step 4: Simplify right side
    194,730.60x = 15,904,745,985.35
  5. Step 5: Solve for x
    x = 15,904,745,985.35/194,730.60
  6. Step 6: Final answer
    x = 81,675.64

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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.