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Finding the Fourth Proportional to 194,940,682.80, 291,985,871.40 and 194,940,682.80

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Solution

The fourth proportional to 194,940,682.80, 291,985,871.40 and 194,940,682.80 is: 291,985,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,682.80 : 291,985,871.40 = 194,940,682.80 : x
  2. Step 2: Convert to fraction form
    194,940,682.80/291,985,871.40 = 194,940,682.80/x
  3. Step 3: Cross multiply
    194,940,682.80x = 291,985,871.40 × 194,940,682.80
  4. Step 4: Simplify right side
    194,940,682.80x = 56,919,925,138,668,992
  5. Step 5: Solve for x
    x = 56,919,925,138,668,992/194,940,682.80
  6. Step 6: Final answer
    x = 291,985,871.40

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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.