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Finding the Fourth Proportional to 104,145.67, 156,218.51 and 29,262.79

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Solution

The fourth proportional to 104,145.67, 156,218.51 and 29,262.79 is: 43,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.67 : 156,218.51 = 29,262.79 : x
  2. Step 2: Convert to fraction form
    104,145.67/156,218.51 = 29,262.79/x
  3. Step 3: Cross multiply
    104,145.67x = 156,218.51 × 29,262.79
  4. Step 4: Simplify right side
    104,145.67x = 4,571,389,452.24
  5. Step 5: Solve for x
    x = 4,571,389,452.24/104,145.67
  6. Step 6: Final answer
    x = 43,894.19

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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.