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Finding the Fourth Proportional to 194,757.60, 292,114.80 and 54,530.40

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Solution

The fourth proportional to 194,757.60, 292,114.80 and 54,530.40 is: 81,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,757.60 : 292,114.80 = 54,530.40 : x
  2. Step 2: Convert to fraction form
    194,757.60/292,114.80 = 54,530.40/x
  3. Step 3: Cross multiply
    194,757.60x = 292,114.80 × 54,530.40
  4. Step 4: Simplify right side
    194,757.60x = 15,929,136,889.92
  5. Step 5: Solve for x
    x = 15,929,136,889.92/194,757.60
  6. Step 6: Final answer
    x = 81,789.55

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1.5x scale

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.