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Finding the Fourth Proportional to 219,652.96, 329,590.34 and 99,633.42

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Solution

The fourth proportional to 219,652.96, 329,590.34 and 99,633.42 is: 149,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,652.96 : 329,590.34 = 99,633.42 : x
  2. Step 2: Convert to fraction form
    219,652.96/329,590.34 = 99,633.42/x
  3. Step 3: Cross multiply
    219,652.96x = 329,590.34 × 99,633.42
  4. Step 4: Simplify right side
    219,652.96x = 32,838,213,846.22
  5. Step 5: Solve for x
    x = 32,838,213,846.22/219,652.96
  6. Step 6: Final answer
    x = 149,500.44

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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.