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Finding the Fourth Proportional to 190,354.88, 285,536.91 and 63,996.77

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Solution

The fourth proportional to 190,354.88, 285,536.91 and 63,996.77 is: 95,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,354.88 : 285,536.91 = 63,996.77 : x
  2. Step 2: Convert to fraction form
    190,354.88/285,536.91 = 63,996.77/x
  3. Step 3: Cross multiply
    190,354.88x = 285,536.91 × 63,996.77
  4. Step 4: Simplify right side
    190,354.88x = 18,273,438,528.10
  5. Step 5: Solve for x
    x = 18,273,438,528.10/190,354.88
  6. Step 6: Final answer
    x = 95,996.69

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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.