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Finding the Fourth Proportional to 215,699.67, 323,514.45 and 101,847.26

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Solution

The fourth proportional to 215,699.67, 323,514.45 and 101,847.26 is: 152,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,699.67 : 323,514.45 = 101,847.26 : x
  2. Step 2: Convert to fraction form
    215,699.67/323,514.45 = 101,847.26/x
  3. Step 3: Cross multiply
    215,699.67x = 323,514.45 × 101,847.26
  4. Step 4: Simplify right side
    215,699.67x = 32,949,061,111.69
  5. Step 5: Solve for x
    x = 32,949,061,111.69/215,699.67
  6. Step 6: Final answer
    x = 152,754.34

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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.