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Finding the Fourth Proportional to 196,654.80, 294,983.82 and 56,417.88

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Solution

The fourth proportional to 196,654.80, 294,983.82 and 56,417.88 is: 84,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,654.80 : 294,983.82 = 56,417.88 : x
  2. Step 2: Convert to fraction form
    196,654.80/294,983.82 = 56,417.88/x
  3. Step 3: Cross multiply
    196,654.80x = 294,983.82 × 56,417.88
  4. Step 4: Simplify right side
    196,654.80x = 16,642,361,758.70
  5. Step 5: Solve for x
    x = 16,642,361,758.70/196,654.80
  6. Step 6: Final answer
    x = 84,627.28

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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.