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Finding the Fourth Proportional to 196,445.60, 294,614.48 and 54,256.88

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Solution

The fourth proportional to 196,445.60, 294,614.48 and 54,256.88 is: 81,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,445.60 : 294,614.48 = 54,256.88 : x
  2. Step 2: Convert to fraction form
    196,445.60/294,614.48 = 54,256.88/x
  3. Step 3: Cross multiply
    196,445.60x = 294,614.48 × 54,256.88
  4. Step 4: Simplify right side
    196,445.60x = 15,984,862,487.62
  5. Step 5: Solve for x
    x = 15,984,862,487.62/196,445.60
  6. Step 6: Final answer
    x = 81,370.43

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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.