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Finding the Fourth Proportional to 82,901.93, 124,372.35 and 32,984.87

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Solution

The fourth proportional to 82,901.93, 124,372.35 and 32,984.87 is: 49,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,901.93 : 124,372.35 = 32,984.87 : x
  2. Step 2: Convert to fraction form
    82,901.93/124,372.35 = 32,984.87/x
  3. Step 3: Cross multiply
    82,901.93x = 124,372.35 × 32,984.87
  4. Step 4: Simplify right side
    82,901.93x = 4,102,405,174.48
  5. Step 5: Solve for x
    x = 4,102,405,174.48/82,901.93
  6. Step 6: Final answer
    x = 49,485.04

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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.