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Finding the Fourth Proportional to 82,671.75, 124,015.77 and 26,497.71

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Solution

The fourth proportional to 82,671.75, 124,015.77 and 26,497.71 is: 39,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,671.75 : 124,015.77 = 26,497.71 : x
  2. Step 2: Convert to fraction form
    82,671.75/124,015.77 = 26,497.71/x
  3. Step 3: Cross multiply
    82,671.75x = 124,015.77 × 26,497.71
  4. Step 4: Simplify right side
    82,671.75x = 3,286,133,908.89
  5. Step 5: Solve for x
    x = 3,286,133,908.89/82,671.75
  6. Step 6: Final answer
    x = 39,749.18

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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.