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Finding the Fourth Proportional to 85,347.92, 128,037.04 and 29,194.24

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Solution

The fourth proportional to 85,347.92, 128,037.04 and 29,194.24 is: 43,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347.92 : 128,037.04 = 29,194.24 : x
  2. Step 2: Convert to fraction form
    85,347.92/128,037.04 = 29,194.24/x
  3. Step 3: Cross multiply
    85,347.92x = 128,037.04 × 29,194.24
  4. Step 4: Simplify right side
    85,347.92x = 3,737,944,074.65
  5. Step 5: Solve for x
    x = 3,737,944,074.65/85,347.92
  6. Step 6: Final answer
    x = 43,796.55

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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.