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Finding the Fourth Proportional to 82,261.99, 123,392.99 and 29,671.46

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Solution

The fourth proportional to 82,261.99, 123,392.99 and 29,671.46 is: 44,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.99 : 123,392.99 = 29,671.46 : x
  2. Step 2: Convert to fraction form
    82,261.99/123,392.99 = 29,671.46/x
  3. Step 3: Cross multiply
    82,261.99x = 123,392.99 × 29,671.46
  4. Step 4: Simplify right side
    82,261.99x = 3,661,250,741.06
  5. Step 5: Solve for x
    x = 3,661,250,741.06/82,261.99
  6. Step 6: Final answer
    x = 44,507.20

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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.